Add and Subtract Fractions with Same Denominator

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 sum.

• add

• subtract

• divide

• multiply

The image represent an addition of:

• Like denominators fractions

• Unlike denominators Fraction

What is the answer?

• 
• 
• 
• 

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

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

Add

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

• numerators

• denominators

• mixed numbers

• equivalent fractions