Answers

Add 72/56 and 36/63

1^st number: 1 16/56, 2^nd number: 36/63

72/56 + 36/63 is 13/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 63 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 56 × 9 = 504,
   72/56 = 72 × 9/56 × 9 = 648/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   36/63 = 36 × 8/63 × 8 = 288/504
4. Add the two like fractions:
   648/504 + 288/504 = 648 + 288/504 = 936/504
5. 936/504 simplified gives 13/7
6. So, 72/56 + 36/63 = 13/7
   In mixed form: 16/7

MathStep (Works offline)

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

Related: ⁷²/₅₆+⁷²/₆₃

Add Fractions Calculator