Evaluating Expressions with Unlike Denominators

Evaluating Expressions with Unlike Denominators
Introduction

Expressions with fractions often include different denominators. To evaluate these expressions correctly, the fractions must represent equal-sized parts....

Zara added 1/2 cup of peanuts, then 1/3 cup of raisins to make a trail mix. But later she removed 1/6 cup of the total mix.

To find out how much trail mix she had left, we evaluate the expression 1/2 + 1/3 - 1/6.

These fractions have different denominators: 2, 3 and 6. To find a common denominator, we look for the least common multip...