Answers

Add 49/63 and 42/20

1^st number: 49/63, 2^nd number: 2 2/20

49/63 + 42/20 is 259/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 20 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   49/63 = 49 × 20/63 × 20 = 980/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   42/20 = 42 × 63/20 × 63 = 2646/1260
4. Add the two like fractions:
   980/1260 + 2646/1260 = 980 + 2646/1260 = 3626/1260
5. 3626/1260 simplified gives 259/90
6. So, 49/63 + 42/20 = 259/90
   In mixed form: 279/90

MathStep (Works offline)

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

Related: ⁹⁸/₆₃+⁴²/₂₀ ⁴⁹/₆₃+⁸⁴/₂₀ ⁴⁹/₆₃+⁴²/₄₀ ⁴⁹/₆₃+⁴²/₆₀

Add Fractions Calculator