Answers

Add 6/20 and 84/63

1^st number: 6/20, 2^nd number: 1 21/63

6/20 + 84/63 is 49/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   6/20 = 6 × 63/20 × 63 = 378/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   84/63 = 84 × 20/63 × 20 = 1680/1260
4. Add the two like fractions:
   378/1260 + 1680/1260 = 378 + 1680/1260 = 2058/1260
5. 2058/1260 simplified gives 49/30
6. So, 6/20 + 84/63 = 49/30
   In mixed form: 119/30

MathStep (Works offline)

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

Related: ¹²/₂₀+⁸⁴/₆₃ ⁶/₄₀+⁸⁴/₆₃ ¹⁸/₂₀+⁸⁴/₆₃ ⁶/₆₀+⁸⁴/₆₃ ³⁰/₂₀+⁸⁴/₆₃ ⁴²/₂₀+⁸⁴/₆₃

Add Fractions Calculator