<a href="https://plus.google.com/108776584172573388247?rel=author">Kazumi</a>

Math K-Plus

Fractions - Learn How To Add Fractions With Common Denominators Or Different Denominators

Help. Print       

Learn How To Add Fractions With Common Denominators Or 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.