Add and Subtract Fractions Same Denominators

Add

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

What is the sum of these fractions in lowest terms?

• 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

What is 3/4 + 1/4 = ?

Mathematical Equivalence

ON

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

2/12 + 3/12

• 5/12

• 5/24

• 6/12

• 6/144

Add 4/6 + 2/6=?

• 1 = 6/6

• 5/6

• 6/12

• 2/6