Adding and Subtracting Fractions and Mixed Numbers with Common Denominators

Solve and simplify to lowest terms.

• a

• b

• c

• d

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

• common numerator

• common denominator

• equivalent fraction

• mixed number

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

• numerators

• denominators

• mixed numbers

• equivalent fractions

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

• make equivalent fractions

• add again

• simplify

• multiply

• apple

4/11 + 3/11 =

• 11/11

• 7/22

• 7/11

• 1/11

• A
• B
• C
• D

16/83 + 4/83 =

• 20/83

• 10/83

• 12/83

• 20/166

3/9 + 4/9 =

• 7/18

• 7/9

• 12/9

• 12/81

Solve.

• 1 5/8

• 1/8

• 1/4

• 1 1/4