Solve Fraction Addition/Subtraction Word Problems - 4th Grade Math
Card 1 of 20
What is $\frac{9}{9} - \frac{4}{9}$?
What is $\frac{9}{9} - \frac{4}{9}$?
Tap to reveal answer
$\frac{5}{9}$. Subtract: $9 - 4 = 5$, keep denominator $9$.
$\frac{5}{9}$. Subtract: $9 - 4 = 5$, keep denominator $9$.
← Didn't Know|Knew It →
What is $\frac{5}{12} + \frac{4}{12}$?
What is $\frac{5}{12} + \frac{4}{12}$?
Tap to reveal answer
$\frac{9}{12}$. Add numerators: $5 + 4 = 9$, keep denominator $12$.
$\frac{9}{12}$. Add numerators: $5 + 4 = 9$, keep denominator $12$.
← Didn't Know|Knew It →
What is $\frac{7}{10} - \frac{3}{10}$?
What is $\frac{7}{10} - \frac{3}{10}$?
Tap to reveal answer
$\frac{4}{10}$. Subtract numerators: $7 - 3 = 4$, keep denominator $10$.
$\frac{4}{10}$. Subtract numerators: $7 - 3 = 4$, keep denominator $10$.
← Didn't Know|Knew It →
What is $\frac{3}{8} + \frac{2}{8}$?
What is $\frac{3}{8} + \frac{2}{8}$?
Tap to reveal answer
$\frac{5}{8}$. Add numerators: $3 + 2 = 5$, keep denominator $8$.
$\frac{5}{8}$. Add numerators: $3 + 2 = 5$, keep denominator $8$.
← Didn't Know|Knew It →
What is the rule for adding fractions with the same denominator $b$: ${a}{b} + {c}{b}$?
What is the rule for adding fractions with the same denominator $b$: ${a}{b} + {c}{b}$?
Tap to reveal answer
$\frac{a}{b} + \frac{c}{b} = \frac{a+c}{b}$. Add numerators and keep the same denominator.
$\frac{a}{b} + \frac{c}{b} = \frac{a+c}{b}$. Add numerators and keep the same denominator.
← Didn't Know|Knew It →
Which statement is true for like denominators: $\frac{a}{b} + \frac{c}{b}$ keeps the denominator $b$ or adds denominators?
Which statement is true for like denominators: $\frac{a}{b} + \frac{c}{b}$ keeps the denominator $b$ or adds denominators?
Tap to reveal answer
It keeps the denominator: $\frac{a+c}{b}$. Like denominators stay the same when adding.
It keeps the denominator: $\frac{a+c}{b}$. Like denominators stay the same when adding.
← Didn't Know|Knew It →
What is the missing fraction in $\frac{2}{5} + \Box = \frac{4}{5}$?
What is the missing fraction in $\frac{2}{5} + \Box = \frac{4}{5}$?
Tap to reveal answer
$\frac{2}{5}$. Since $\frac{2}{5} + \frac{2}{5} = \frac{4}{5}$.
$\frac{2}{5}$. Since $\frac{2}{5} + \frac{2}{5} = \frac{4}{5}$.
← Didn't Know|Knew It →
What fraction more is $\frac{7}{9}$ than $\frac{4}{9}$?
What fraction more is $\frac{7}{9}$ than $\frac{4}{9}$?
Tap to reveal answer
$\frac{3}{9}$. Find difference: $\frac{7}{9} - \frac{4}{9} = \frac{3}{9}$.
$\frac{3}{9}$. Find difference: $\frac{7}{9} - \frac{4}{9} = \frac{3}{9}$.
← Didn't Know|Knew It →
What is left of one whole after using $\frac{1}{6}$ and $\frac{2}{6}$ of the same whole?
What is left of one whole after using $\frac{1}{6}$ and $\frac{2}{6}$ of the same whole?
Tap to reveal answer
$\frac{3}{6}$. Calculate: $1 - \frac{1}{6} - \frac{2}{6} = \frac{3}{6}$.
$\frac{3}{6}$. Calculate: $1 - \frac{1}{6} - \frac{2}{6} = \frac{3}{6}$.
← Didn't Know|Knew It →
Identify the correct equation for: left after using $\frac{a}{b}$ then $\frac{c}{b}$ of one whole.
Identify the correct equation for: left after using $\frac{a}{b}$ then $\frac{c}{b}$ of one whole.
Tap to reveal answer
$1 - \left(\frac{a}{b} + \frac{c}{b}\right)$. Subtract total used from whole.
$1 - \left(\frac{a}{b} + \frac{c}{b}\right)$. Subtract total used from whole.
← Didn't Know|Knew It →
What fraction of a ribbon is used if you cut $\frac{5}{12}$ and then $\frac{4}{12}$ from the same ribbon?
What fraction of a ribbon is used if you cut $\frac{5}{12}$ and then $\frac{4}{12}$ from the same ribbon?
Tap to reveal answer
$\frac{9}{12}$. Add cut pieces: $\frac{5}{12} + \frac{4}{12} = \frac{9}{12}$.
$\frac{9}{12}$. Add cut pieces: $\frac{5}{12} + \frac{4}{12} = \frac{9}{12}$.
← Didn't Know|Knew It →
What fraction of a tank remains if it was $\frac{7}{10}$ full and you used $\frac{4}{10}$ of a tank?
What fraction of a tank remains if it was $\frac{7}{10}$ full and you used $\frac{4}{10}$ of a tank?
Tap to reveal answer
$\frac{3}{10}$. Subtract used from full: $\frac{7}{10} - \frac{4}{10} = \frac{3}{10}$.
$\frac{3}{10}$. Subtract used from full: $\frac{7}{10} - \frac{4}{10} = \frac{3}{10}$.
← Didn't Know|Knew It →
What total distance is walked if you walk $\frac{2}{6}$ mile and then $\frac{3}{6}$ mile?
What total distance is walked if you walk $\frac{2}{6}$ mile and then $\frac{3}{6}$ mile?
Tap to reveal answer
$\frac{5}{6}$ mile. Add distances: $\frac{2}{6} + \frac{3}{6} = \frac{5}{6}$.
$\frac{5}{6}$ mile. Add distances: $\frac{2}{6} + \frac{3}{6} = \frac{5}{6}$.
← Didn't Know|Knew It →
What fraction of a pizza is left if you eat $\frac{3}{8}$ and then $\frac{2}{8}$ of the same pizza?
What fraction of a pizza is left if you eat $\frac{3}{8}$ and then $\frac{2}{8}$ of the same pizza?
Tap to reveal answer
$\frac{3}{8}$. Subtract eaten parts: $1 - \frac{3}{8} - \frac{2}{8} = \frac{3}{8}$.
$\frac{3}{8}$. Subtract eaten parts: $1 - \frac{3}{8} - \frac{2}{8} = \frac{3}{8}$.
← Didn't Know|Knew It →
What is $\frac{6}{12} - \frac{3}{12}$ written in simplest form?
What is $\frac{6}{12} - \frac{3}{12}$ written in simplest form?
Tap to reveal answer
$\frac{1}{4}$. Subtract: $6 - 3 = 3$, then simplify $\frac{3}{12} = \frac{1}{4}$.
$\frac{1}{4}$. Subtract: $6 - 3 = 3$, then simplify $\frac{3}{12} = \frac{1}{4}$.
← Didn't Know|Knew It →
What is the missing number $x$ in $\frac{9}{13} - \frac{x}{13} = \frac{5}{13}$?
What is the missing number $x$ in $\frac{9}{13} - \frac{x}{13} = \frac{5}{13}$?
Tap to reveal answer
$x = 4$. Since $9 - 4 = 5$, $x = 4$.
$x = 4$. Since $9 - 4 = 5$, $x = 4$.
← Didn't Know|Knew It →
What is the missing number $x$ in $\frac{x}{7} + \frac{2}{7} = \frac{6}{7}$?
What is the missing number $x$ in $\frac{x}{7} + \frac{2}{7} = \frac{6}{7}$?
Tap to reveal answer
$x = 4$. Since $4 + 2 = 6$, $x = 4$.
$x = 4$. Since $4 + 2 = 6$, $x = 4$.
← Didn't Know|Knew It →
What is $\frac{11}{16} - \frac{5}{16}$?
What is $\frac{11}{16} - \frac{5}{16}$?
Tap to reveal answer
$\frac{6}{16}$. Subtract numerators: $11 - 5 = 6$, keep denominator $16$.
$\frac{6}{16}$. Subtract numerators: $11 - 5 = 6$, keep denominator $16$.
← Didn't Know|Knew It →
What is the rule for subtracting fractions with the same denominator $b$: $\frac{a}{b} - \frac{c}{b}$?
What is the rule for subtracting fractions with the same denominator $b$: $\frac{a}{b} - \frac{c}{b}$?
Tap to reveal answer
$\frac{a}{b} - \frac{c}{b} = \frac{a-c}{b}$. Subtract numerators and keep the same denominator.
$\frac{a}{b} - \frac{c}{b} = \frac{a-c}{b}$. Subtract numerators and keep the same denominator.
← Didn't Know|Knew It →
What is $\frac{8}{11}-\frac{3}{11}$?
What is $\frac{8}{11}-\frac{3}{11}$?
Tap to reveal answer
$\frac{5}{11}$. Subtract numerators: $8-3=5$; keep denominator $11$.
$\frac{5}{11}$. Subtract numerators: $8-3=5$; keep denominator $11$.
← Didn't Know|Knew It →