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.
Read MoreBecause the two ratios in a proportion are equal to each other, a proportion is an equation that expresses the equivalence of two fractions. So a ratio is just a fraction, and a proportion is an equation that sets two fractions equal to each other.
Read More