Addition and Subtraction Mixed Numbers Same Denominator

Find Lowest Common Denominator & solve
1   3/7      +       7   5/11 =

• 8   68/77

• 8   68/107

• 8   10/77

• 8    8/18

Find Lowest Common Denominator & solve
1    1/3   +    4    1/4 =

• 5    7/12

• 5    2/24

• 5    2/12

• 5    7/24

Word Problem:
Two cats, Fluffy and Oreo, met in the Park. Fluffy's tail is 3   1/3 of a meter long. Oreo's tail is 2   1/4 of a meter long.
How much Longer is Fluffy's tail than Oreo's tail?

• 5     7/12

• 1     1/12

• 1     2/7

• 5     2/12

Subtraction:
Find Lowest Common Denominator & solve
8    5/7    -    7    2/3 = 

•   3/4

•  1/21

•    1/24 

•   3/24

Solve

• 11 3/4

• 11 3/8

• 11

• 3/4

Solve

• 1/12

• 11/12

• 1 1/12

• 10/12

Solve

• 3/5

• 1 2/5

• 1 3/5

• 1/5

Same multiple of the denominators (same bottom numbers).

• Mixed Number

• Common Denominators

• Improper Fractions

• Equivalent Fractions

What is a requirement in order to add mixed numbers?

• Must have the same denominator.

• Must have the same numerator.

• Must turn into improper fractions.

• Must draw a picture of the fraction.

4   1/3   + 2  1/3

• 6  1/3

• 6  2/3

• 6  2/6

• 7  2/3