Support your knowledge of this topic by looking at these guides on Lowest Common Multiple and equivalent fractions. Look at the examples below on how to add and subtract fractions and mixed numbers.

There are two rules to remember when adding or subtracting fractions. The fractions need to have a common denominator. This means the denominator has to be the same. You only need to add or subtract ...

WRIGHT-PATTERSON AIR FORCE BASE, Ohio (AFPN) -- Killie Rick found a new solution to subtraction problems involving whole numbers and fractions. She used the concept of negative numbers in a way that ...