Answers

Add 20/84 and 42/24

1^st number: 20/84, 2^nd number: 1 18/24

20/84 + 42/24 is 167/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   20/84 = 20 × 2/84 × 2 = 40/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   42/24 = 42 × 7/24 × 7 = 294/168
4. Add the two like fractions:
   40/168 + 294/168 = 40 + 294/168 = 334/168
5. 334/168 simplified gives 167/84
6. So, 20/84 + 42/24 = 167/84
   In mixed form: 183/84

MathStep (Works offline)

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

Related: ⁴⁰/₈₄+⁴²/₂₄ ²⁰/₈₄+⁸⁴/₂₄ ²⁰/₈₄+⁴²/₄₈ ⁶⁰/₈₄+⁴²/₂₄ ²⁰/₈₄+⁴²/₇₂

Add Fractions Calculator