Answers

Add 70/3 and 21/63

1^st number: 23 1/3, 2^nd number: 21/63

70/3 + 21/63 is 71/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 3 × 21 = 63,
   70/3 = 70 × 21/3 × 21 = 1470/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   21/63 = 21 × 1/63 × 1 = 21/63
4. Add the two like fractions:
   1470/63 + 21/63 = 1470 + 21/63 = 1491/63
5. 1491/63 simplified gives 71/3
6. So, 70/3 + 21/63 = 71/3
   In mixed form: 232/3

MathStep (Works offline)

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

Related: ⁷⁰/₃+⁴²/₆₃ ⁷⁰/₆+²¹/₆₃ ⁷⁰/₉+²¹/₆₃ ⁷⁰/₁₅+²¹/₆₃ ⁷⁰/₂₁+²¹/₆₃

Add Fractions Calculator