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Example Questions
Example Question #121 : Fractions
Determine the value of:
In order to subtract the numerators, it is necessary to change the first fraction to a common denominator.
The least common denominator is 49 since this value is the smallest number divisible by both denominators.
Convert the fraction.
The answer is:
Example Question #122 : Fractions
Add the fractions:
To solve this expression, determine the least common denominator. There is no need to multiply all the denominators together.
Write the factors for each denominator.
We can see that the LCD is 140.
Convert all fractions.
Simplify the fractions.
The answer is:
Example Question #123 : Fractions
Subtract the fractions:
To simplify the fractions, first reduce the fractions. This will minimize the effort having to multiply double digits in the numerator and denominator.
The fractions become:
The answer is:
Example Question #1801 : Mathematical Relationships And Basic Graphs
Convert each fraction to incorporate a common denominator. The least common denominator of 5 and 6 is 30. Multiply the first fraction by 6 divided by and the second by 5 divided by 5. Then add or subtract the resulting fractions.
Example Question #1802 : Mathematical Relationships And Basic Graphs
Convert each fraction to incorporate a common denominator. The least common denominator of 14 and 21 is 42. Multiply the first fraction by 3divided by 3 and the second by 2 divided by 2 . Then add or subtract the resulting fractions.
Example Question #1803 : Mathematical Relationships And Basic Graphs
Convert each fraction to incorporate a common denominator. The least common denominator of 25 and 5 is 25. Multiply the second fraction by 5 divided by 5 . Then add or subtract the resulting fractions.
Example Question #1804 : Mathematical Relationships And Basic Graphs
Convert each fraction to incorporate a common denominator. The least common denominator of 16 and 24 is 48. Multiply the first fraction by 3divided by 3 and the second by 2 divided by 2 . Then add or subtract the resulting fractions.
Example Question #1805 : Mathematical Relationships And Basic Graphs
Convert each fraction to incorporate a common denominator. The least common denominator of 11 and 13 is 143. Multiply the first fraction by 13 divided by 13 and the second by 11 divided by 11 . Then add or subtract the resulting fractions.
Example Question #1806 : Mathematical Relationships And Basic Graphs
Convert each fraction to incorporate a common denominator. The least common denominator of 7 and 13 is 91. Multiply the first fraction by 13 divided by 13 and the second by 7 divided by 7 . Then add or subtract the resulting fractions.
Example Question #1807 : Mathematical Relationships And Basic Graphs
Convert each fraction to incorporate a common denominator. The least common denominator of 9 and 7 is 63. Multiply the first fraction by 7 divided by 7 and the second by 9 divided by 9 . Then add or subtract the resulting fractions.
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