Add and Subtract Fractions with the Same Denominator

The image represent an addition of:

• Like denominators fractions

• Unlike denominators Fraction

When Adding LIKE denominators fractions:

To find the denominator, you need to

• The denominator remain the same

• Cross multiply the denominators

• Multiply denominator

• Add denominators

When Adding LIKE denominators fractions:

To find the numerator, you need to

• The numerator remain the same

• Cross multiply the numerators

• Multiply numerators

• Add Numerators

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

Add

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

The ____________________ is a common multiple of two or more denominators.

• equivalent

• simplest fraction

• common denominator

• mixed number

I know I must __________ if the question asks for the difference.

• subtract

• add

• multiply

• divide