Adding 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

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

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

What is the sum?

• 
• 
• 
• 

Tags

CCSS.7.NS.A.1C

2/12 + 3/12

• 5/12

• 5/24

• 6/12

• 6/144

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

2/12 + 4/12

• 6/24

• 6/12

• 6/44

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• 5    7/12

• 5    2/24

• 5    2/12

• 5    7/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

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.2

CCSS.5.NF.A.1

When adding or subtracting fractions, I NEVER add or subtract the...

• numerators

• denominators

• mixed numbers

• equivalent fractions

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C