Posts tagged complex fractions
What are complex fractions (fractions of fractions)?

A complex fraction might look intimidating at first, but don’t worry. You just need to remember a few things and you will be good to go! What do you need to remember? A reciprocal is a number “flipped upside down.” A fraction bar can be thought of like a division sign. To divide by a fraction you can multiply by its reciprocal.

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Solving proportions of complex fractions with cross multiplication

When you have complex fractions as a proportion you can solve for the variable or rewrite them by using cross multiplication. After cross multiplication, you’ll end up with a fraction set equal to another fraction, and you can then use cross multiplication a second time.

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