## What you’ll learn to do: Add and subtract fractions with common denominators

In math class, Mike’s teacher shares that [latex]\Large\frac{1}{8}[/latex] of the students received an A on the latest test and 3/8 of the students received a B. Mike wants to figure out what fraction of the class got either an A or B on the test. To do this, he’ll have to add fractions. In this section, we’llĀ use models to explore how to add and subtract fractions with common denominators.

Before you get started, take this readiness quiz.

### readiness quiz

1)

If you missed this problem, review this video.

2)

Draw a model of the fraction [latex]\Large\frac{3}{4}[/latex].

Show Solution

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3)

If you missed this problem, review this video.