Answers

Add 10/20 and 60/42

1^st number: 10/20, 2^nd number: 1 18/42

10/20 + 60/42 is 27/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 42 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   10/20 = 10 × 21/20 × 21 = 210/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   60/42 = 60 × 10/42 × 10 = 600/420
4. Add the two like fractions:
   210/420 + 600/420 = 210 + 600/420 = 810/420
5. 810/420 simplified gives 27/14
6. So, 10/20 + 60/42 = 27/14
   In mixed form: 113/14

MathStep (Works offline)

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

Related: ¹⁰/₄₀+⁶⁰/₄₂ ¹⁰/₂₀+⁶⁰/₈₄ ³⁰/₂₀+⁶⁰/₄₂ ¹⁰/₆₀+⁶⁰/₄₂ ⁵⁰/₂₀+⁶⁰/₄₂ ⁷⁰/₂₀+⁶⁰/₄₂

Add Fractions Calculator