Answers

Add 72/63 and 60/80

1^st number: 1 9/63, 2^nd number: 60/80

72/63 + 60/80 is 53/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 80 is 5040
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5040
2. For the 1st fraction, since 63 × 80 = 5040,
   72/63 = 72 × 80/63 × 80 = 5760/5040
3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
   60/80 = 60 × 63/80 × 63 = 3780/5040
4. Add the two like fractions:
   5760/5040 + 3780/5040 = 5760 + 3780/5040 = 9540/5040
5. 9540/5040 simplified gives 53/28
6. So, 72/63 + 60/80 = 53/28
   In mixed form: 125/28

MathStep (Works offline)

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

Related:

Add Fractions Calculator