Subtracting Mixed Numbers Same Denominator

When adding and subtracting fractions, which value needs to be the same in all values being added/subtracted?

• Numerator

• Denominator

Find Lowest Common Denominator & solve
8    6/9    -    3    2/5  =

• 6

• 4

• 5   12/45

• 5   4/60

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

When the denominators are not the same, I must find a...

• common numerator

• common denominator

• equivalent fraction

• mixed number

Solve

• 3/5

• 1 2/5

• 1 3/5

• 1/5

Solve

• 7/8

• 1 1/8

• 1/8

• 0/8

Solve

• 1/12

• 11/12

• 1 1/12

• 10/12

Solve

• 3/10

• 4/10

• 7/10

• 1 6/10

Solve and simplify to lowest terms.

• a

• b

• c

• d

Solve.

• 1 5/8

• 1/8

• 1/4

• 1 1/4