Answers

Add 42/63 and 70/50

1^st number: 42/63, 2^nd number: 1 20/50

42/63 + 70/50 is 31/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 50 is 3150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3150
2. For the 1st fraction, since 63 × 50 = 3150,
   42/63 = 42 × 50/63 × 50 = 2100/3150
3. Likewise, for the 2nd fraction, since 50 × 63 = 3150,
   70/50 = 70 × 63/50 × 63 = 4410/3150
4. Add the two like fractions:
   2100/3150 + 4410/3150 = 2100 + 4410/3150 = 6510/3150
5. 6510/3150 simplified gives 31/15
6. So, 42/63 + 70/50 = 31/15
   In mixed form: 21/15

MathStep (Works offline)

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

Related: ⁸⁴/₆₃+⁷⁰/₅₀

Add Fractions Calculator