Subtracting Mixed Numbers with Regrouping Like Denominators

3  7/9 - 1  8/9 =

• 4  16/9

• 2  8/9

• 1  8/9

• 1  1/9

6 3/4 - 4 1/4

• 2 2/4

• 2 2/2

• 3 1/2

• 2 1/4

• 2 + 2/5

• 1 + 3/5

• 2 + 3/5

• 2 + 6/5

5 3/8 - 2 7/8

• 3 4/8

• 2 4/8

• 3 1/2

• 2 6/8

7   4/7   -    5    2/7 =

• 2 2/7

• 2 6/7

• 12 6/7

• 2 1/7

6 1/4

- 2 3/4

• 3 2/4

• 3 3/4

• 4 1/2

• 4 1/4

    4   1/2
 - 1   1/2 

• 3      1/2

• 3

• 2     1/2

• 2

To be able to subtract mixed they must have a common ________.

• numerator

• denominator

• whole number

Solve and simplify to lowest terms.

• a

• b

• c

• d

• 2 + 8/8

• 4 + 2/8

• 2 + 2/8

• 2 + 3/8