Math K-Plus

# How To Add Fractions, Common Denominators, Different Denominators

## Add Fractions With Common Denominators

$59 + 89 =$

The Denominators Of Both Fractions Are The Same - Add Numerators (5 + 8)
$(5 + 8)9 = 139 =$

Converting Improper Fraction To Mixed Number
$139 = 149$

## Add Fractions With Different Denominators

$38 + 56 =$

We Must Cross-Multiply Both Fractions To Get A Common Denominator
$38 = 3 × 68 × 6 = 1848$

$56 = 5 × 86 × 8 = 4048$

Both Fractions Now Have Common Denominators - Add Numerators (18 + 40) $(18 + 40)48 = 5848 =$

Greatest Common Divisor
$5848 = 58 ÷ 248 ÷ 2 = 2924 =$

Converting Improper Fraction To Mixed Number
$2924 = 1 524$

Recommended reading: Adding Fractions Calculator, How To Subtract Fractions, How To Multiply Fractions, and How To Divide Fractions.