Answers

Add 20/18 and 56/42

1^st number: 1 2/18, 2^nd number: 1 14/42

20/18 + 56/42 is 22/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 42 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   20/18 = 20 × 7/18 × 7 = 140/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   56/42 = 56 × 3/42 × 3 = 168/126
4. Add the two like fractions:
   140/126 + 168/126 = 140 + 168/126 = 308/126
5. 308/126 simplified gives 22/9
6. So, 20/18 + 56/42 = 22/9
   In mixed form: 24/9

MathStep (Works offline)

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

Related: ⁴⁰/₁₈+⁵⁶/₄₂ ²⁰/₃₆+⁵⁶/₄₂ ²⁰/₁₈+⁵⁶/₈₄ ⁶⁰/₁₈+⁵⁶/₄₂ ²⁰/₅₄+⁵⁶/₄₂ ²⁰/₉₀+⁵⁶/₄₂

Add Fractions Calculator