Model Subtraction With Mixed Numbers

difference

• to have the same value

• the lowest common multiple of the denominators

• the answer to a subtraction problem

• any part of a group, number or whole

6½ - 2⅔

• 4  1/6

• 3  5/6

• 4  1/2

• 3  1/2

Write an equation for the model, then solve. Convert to a mixed number or whole number if possible.

Neil swam 4 2/3 lengths of the pool. Mia swam 6 1/2 lengths of the pool. How many more lengths of the pool did Mia swim than Neil?

• 2 1/6

• 1 1/6

• 1 5/6

• 2 1/2

11  1/5  -  7  1/3

• 3  13/15

• 4  11/15

• 3  8/15

• 4  3/5

4  7/12  -  2  2/3

• 1  3/4

• 1  11/12

• 2  5/7

• 2  8/9

What is 5 1/4 - 3 3/4 in simplest form?

• 6/4

• 1 1/2

• 2 1/2

• 2 3/4

7  3/4  -  6  1/4

• 1  1/2

• 3  3/5

• 1  3/4

• 2  5/7

7 2/7
- 3 5/7

• 2 4/7

• 3 4/7

• 4 4/7

• 3 2/7

How much longer is Oksana’s chain than Gabrielle’s chain?

• 4 1/12 feet

• 14 1/12 feet

• 4 1/2 feet

• 15 7/12 feet