Adding and Subtraction Same Denominator Review

When adding or subtracting fractions, I must always have a (a)   . I then add or subtract the ​ (b)   and keep ​ (c)   the same.

• Common Denominator

• Numerators

• Denominator

• Common Numerators

• Divisor

• Dividend

You must find the ______ before adding and subtracting fractions.

• least common denominator (LCD)

• greatest common factor (GCF)

• Prime Factorization

• least common numerator

2/8 + 3/8 =

• 5/8

• 6/8

• 5/16

• 1/8

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

What is the sum?

• 1

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

• common numerator

• common denominator

• equivalent fraction

• mixed number

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

• make equivalent fractions

• add again

• simplify

• multiply

Find the solution to:

6.5 - 3.178

• 3.322

• 9.678

• 3.478

• 3.4

When adding and subtraction ​ (a)   you must find the ​ (b)   then ​ (c)   the same ​ (d)   .

• fractions

• Least Common Denominator

• keep

• denominator

• numerator

• Greatest Common Factor

• decimals