Mixed Numbers Addition and Subtraction of Fractions with Like Denominators

When adding or subtracting RATIONAL NUMBERS with LIKE DENOMINATOR denominator you should

• multiply the denominators

• add or subtract the numerators

• keep the denominator

• simplify if need

When adding or subtracting rational numbers, what must you have?

• Common Numerator

• Quick Answering Skills

• Common Numbers

• Common Denominators

When adding mixed numbers, which do you add first?

• The whole number

• The fractions

• It doesn't matter

• Add the numerators (top parts of the fractions).

• Rewrite the fractions in the simplest form. 

• Rewrite the fractions with a common denominator. 

• Make each fraction into an improper faction. 

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

• 7 4/6

• 6 4/6

• 7 2/3

• 6 2/3

2/12 + 3/12

• 5/12

• 5/24

• 6/12

• 6/144

What is the sum of these fractions in lowest terms?

• 7/18

• 7/9

• 12/9

• 12/81

Add 3 2/6 + 4 2//6. Put answer in simplest form.

• 7 4/6

• 6 4/6

• 7/2/3

• 6 2/3

Solve

• 11 3/4

• 11 3/8

• 11

• 3/4