Answers

Add 28/54 and 56/12

1^st number: 28/54, 2^nd number: 4 8/12

28/54 + 56/12 is 140/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 12 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 54 × 2 = 108,
   28/54 = 28 × 2/54 × 2 = 56/108
3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
   56/12 = 56 × 9/12 × 9 = 504/108
4. Add the two like fractions:
   56/108 + 504/108 = 56 + 504/108 = 560/108
5. 560/108 simplified gives 140/27
6. So, 28/54 + 56/12 = 140/27
   In mixed form: 55/27

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁶/₅₄+⁵⁶/₁₂ ²⁸/₅₄+⁵⁶/₂₄ ⁸⁴/₅₄+⁵⁶/₁₂ ²⁸/₅₄+⁵⁶/₃₆ ²⁸/₅₄+⁵⁶/₆₀ ²⁸/₅₄+⁵⁶/₈₄

Add Fractions Calculator