Answers

Add 56/63 and 84/15

1^st number: 56/63, 2^nd number: 5 9/15

56/63 + 84/15 is 292/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 15 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   56/63 = 56 × 5/63 × 5 = 280/315
3. Likewise, for the 2nd fraction, since 15 × 21 = 315,
   84/15 = 84 × 21/15 × 21 = 1764/315
4. Add the two like fractions:
   280/315 + 1764/315 = 280 + 1764/315 = 2044/315
5. 2044/315 simplified gives 292/45
6. So, 56/63 + 84/15 = 292/45
   In mixed form: 622/45

MathStep (Works offline)

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

Related: ⁵⁶/₆₃+⁸⁴/₃₀ ⁵⁶/₆₃+⁸⁴/₄₅ ⁵⁶/₆₃+⁸⁴/₇₅

Add Fractions Calculator