Answers

Add 80/63 and 35/72

1^st number: 1 17/63, 2^nd number: 35/72

80/63 + 35/72 is 295/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   80/63 = 80 × 8/63 × 8 = 640/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   35/72 = 35 × 7/72 × 7 = 245/504
4. Add the two like fractions:
   640/504 + 245/504 = 640 + 245/504 = 885/504
5. 885/504 simplified gives 295/168
6. So, 80/63 + 35/72 = 295/168
   In mixed form: 1127/168

MathStep (Works offline)

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

Related: ⁸⁰/₆₃+⁷⁰/₇₂

Add Fractions Calculator