Comparing Fractions · SSAT Middle Level · Flashcards

QUESTION

What method compares $ \frac{a}{b}$ and $ \frac{c}{d}$ by checking whether

ad

is greater than

bc

?

QUESTION

What must be true about

b

and

d

before using cross-multiplication on $ \frac{a}{b}$ and $ \frac{c}{d}$?

QUESTION

What method compares $ \frac{a}{b}$ and $ \frac{c}{d}$ by checking whether

ad

is greater than

bc

?

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