## What you’ll learn to do: Add and subtract mixed numbers

Thanksgiving is coming up, and Kelly is planning to sew a tablecloth for the occasion. She happened to find the perfect piece of fabric at an estate sale. It’s 3 1/4 yards long, but to make the tablecloth, she only needs 2 1/2 yards of fabric. How much fabric will she have left over? To figure this out, she’ll need to subtract mixed numbers. In this section, you’ll learn how to add and subtract mixed numbers with both common and different denominators.

Before you get started, take this readiness quiz.

### readiness quiz

1)

Draw a figure to model [latex]\Large\frac{7}{6}[/latex]

If you missed this problem, review the example below.

Use fraction circles to make wholes using the following pieces:

- [latex]4[/latex] fourths
- [latex]5[/latex] fifths
- [latex]6[/latex] sixths

2)

If you missed this problem, review this video.

3)

If you missed this problem, review the following video.

### Candela Citations

- Sewing a tablecloth.
**Located at**: https://pixabay.com/p-1375794/?no_redirect.**License**:*CC0: No Rights Reserved* - Examples: Convert an Improper Fraction to a Mixed Number..
**Authored by**: James Sousa (Mathispower4u.com).**Located at**: https://youtu.be/e6uoYVg5Q30.**License**:*CC BY: Attribution* - Examples: Converting a Mixed Number to an Improper Fraction.
**Authored by**: James Sousa (Mathispower4u.com) .**Located at**: https://youtu.be/p_YRBcZ4u4g.**License**:*CC BY: Attribution* - Question ID: 145979, 145980.
**Authored by**: Lumen Learning.**License**:*CC BY: Attribution*.**License Terms**: IMathAS Community License CC-BY + GPL

- Prealgebra.
**Provided by**: OpenStax.**License**:*CC BY: Attribution*.**License Terms**: Download for free at http://cnx.org/contents/caa57dab-41c7-455e-bd6f-f443cda5519c@9.757