All ISEE Middle Level Math Resources
Example Questions
Example Question #272 : Fractions
What is the solution to the expression below?
In order to subtract fractions, the least common denominator must be found for the denominator. The least common denominator of 4 and 9 is 36. Therefore, the fractions should be converted accordingly:
Example Question #184 : Fractions
Subtract the numerators and keep the denominator as is:
Answer:
Example Question #281 : Fractions
Evaluate:
By the order of operations, carry out the operations in parentheses first; since there is a multiplication and a subtraction present, carry them out in that order. Finally, carry out the remaining subtraction:
Example Question #31 : How To Subtract Fractions
Subtract:
To solve, subtract the numerators and leave the denominators the same:
Answer:
Example Question #32 : How To Subtract Fractions
Subtract:
To solve, subtract the numerators and leave the denominators the same:
Answer:
Example Question #33 : How To Subtract Fractions
Which of the following is the difference of nine tenths and nineteen thousandths?
Nine tenths is equal to 0.9; nineteen thousandths is equal to 0.019. Subtract them, rewriting 0.9 as 0.900:
Example Question #34 : How To Subtract Fractions
Which of the following is the difference of two-thirds and one-fifth?
Since , express each fraction as its equivalent in fifteenths, and subtract the numerators, as follows:
Example Question #35 : How To Subtract Fractions
Subtract:
Subtract the numerators and leave the denominators the same:
Answer:
Example Question #36 : How To Subtract Fractions
Subtract:
Subtract the numerators and leave the denominators the same:
Answer:
Example Question #288 : Fractions
The time is now 2:17 AM. What time was it four hours and thirty-six minutes ago?
Two hours and seventeen minutes have elapsed since midnight. Since four hours and thirty-six minutes make a greater quantity, we need to look at this as fourteen hours and seventeen minutes having elapsed since noon.
Change both to minutes as follows:
14 hours 17 minutes:
minutes
4 hours 36 minutes:
minutes
Subtract these quantities:
minutes have elapsed since noon. 581 minutes is equal to
hours, or 9 hours 41 minutes after noon, so the time was 9:41 PM.
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All ISEE Middle Level Math Resources
