Common denominator – fractions

By |2017-07-29T14:22:51-07:00July 29th, 2017|Math|

A fraction of a pie If you want to add two fractions together, both fractions must have the same denominator. That's okay if you want to add 1/9 and 4/9 = 5/9. But what if you need to add 1/9 and 4/7? How can you add them? You need to change one or both of those fractions so [...]