Adding and Subtracting Common Fractions

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.4.NF.A.1

CCSS.5.NF.B.5B

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

• numerators

• denominators

• mixed numbers

• equivalent fractions

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When adding or subtracting fractions, I always add or subtract the...

• numerators

• denominators

• mixed numbers

• equivalent fractions

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• make equivalent fractions

• add again

• simplify

• multiply

When fractions have a different denominator, you have to find the ____________ in order to add them together.

• Least Common Denominator

• Greatest Common Factor

• Numerator

• Mixed Number

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve

• 1

• 0

• 14/16

Tags

CCSS.7.NS.A.1B

Solve

• 8 1/4

• 7 3/4

• 7

• 7 1/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is this equal to?

• 10

• 15

• 11

• 12

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Least Common Multiple

• used to find the answer to adding 

• used to find a common denominator so we can add or subtract fractions

• used to find a common numerator

• used to make the top and bottom the same