Answers

Add 56/63 and 42/12

1^st number: 56/63, 2^nd number: 3 6/12

56/63 + 42/12 is 79/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 12 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   56/63 = 56 × 4/63 × 4 = 224/252
3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
   42/12 = 42 × 21/12 × 21 = 882/252
4. Add the two like fractions:
   224/252 + 882/252 = 224 + 882/252 = 1106/252
5. 1106/252 simplified gives 79/18
6. So, 56/63 + 42/12 = 79/18
   In mixed form: 47/18

MathStep (Works offline)

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

Related: ⁵⁶/₆₃+⁸⁴/₁₂ ⁵⁶/₆₃+⁴²/₂₄ ⁵⁶/₆₃+⁴²/₃₆ ⁵⁶/₆₃+⁴²/₆₀ ⁵⁶/₆₃+⁴²/₈₄

Add Fractions Calculator