GRE Fractions (flip cards)

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7 Terms

1
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What piece of information do you need to subtract or add fractions

the least common denominator

2
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How do you find the least common denominator

by determining the least common multiple of the denominators.

3
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Factor trees help you find what?

The least common multiple

4
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What are the steps to multiplying fractions

  1. multiply across the numerators

  2. multiply across the denominators

  3. simplify

5
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with fractions, we multiply ___ the numerator and denominator

across

6
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To divide by a fraction, multiply by the ___

reciprocal

7
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What word in a word problem indicates a fraction

per