Adding and Subtracting Mixed Number Fractions

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

• 6

• 4

• 5   12/45

• 5   4/60

Tags

CCSS.7.NS.A.1C

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

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

• common numerator

• common denominator

• equivalent fraction

• mixed number

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Once I have completed adding or subtracting fractions, I should always ____________ if possible.

• make equivalent fractions

• add again

• simplify

• multiply

What is the process of making two fractions with unlike denominators able to be added or subtracted called?

• Finding the least common multiple or least common denominator

• Addition

• Multiplication

• Reverse multiplication

Tags

CCSS.7.NS.A.1C

Tags

CCSS.3.NF.A.3C

Carla's sister is 4 1/3 feet tall and her brother is 2 2/3 feet tall. How much taller is her sister than her brother?

• 1 1/6 feet

• 2 1/3 feet

• 2 1/6 feet

• 1 2/3 feet

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add: 4 4/5 + 3 3/5

• 7 5/7

• 7 2/5

• 8 2/5

• 8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Gordon used 1 3/4 cups of flour and then used an additional 1 3/4 cups of flour again. How much flour did he use altogether?

• 2 6/8 cups

• 6/4 cups

• 2 2/4 cups

• 3 2/4 cups

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Subtract: 2 1/4 - 1 3/4

• 1 2/4

• 2/4

• 9/4

• 7/4

Tags

CCSS.7.NS.A.1C