### Home > MC2 > Chapter 2 > Lesson 2.2.3 > Problem 2-70

2-70.

Copy each expression below and simplify it. Be sure to show the steps you use to get the answer.

Remember that when you have a common denominator, you can add or subtract the numerators like whole numbers.

Find a common denominator among all three fractions.

is a good common denominator to use.

Find a common denominator for both fractions, then use a Giant One to convert each one.