Answers

Add 12/63 and 98/72

1^st number: 12/63, 2^nd number: 1 26/72

12/63 + 98/72 is 391/252.

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,
   12/63 = 12 × 8/63 × 8 = 96/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   98/72 = 98 × 7/72 × 7 = 686/504
4. Add the two like fractions:
   96/504 + 686/504 = 96 + 686/504 = 782/504
5. 782/504 simplified gives 391/252
6. So, 12/63 + 98/72 = 391/252
   In mixed form: 1139/252

MathStep (Works offline)

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

Related: ²⁴/₆₃+⁹⁸/₇₂ ³⁶/₆₃+⁹⁸/₇₂ ⁶⁰/₆₃+⁹⁸/₇₂ ⁸⁴/₆₃+⁹⁸/₇₂

Add Fractions Calculator