Add 72/10 and 21/32
1st number: 7 2/10, 2nd number: 21/32
72/10 + 21/32 is 1257/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 10 × 16 = 160,
72/10 = 72 × 16/10 × 16 = 1152/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
21/32 = 21 × 5/32 × 5 = 105/160 - Add the two like fractions:
1152/160 + 105/160 = 1152 + 105/160 = 1257/160 - So, 72/10 + 21/32 = 1257/160
In mixed form: 7137/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10+42/32 72/20+21/32 72/10+21/64 72/10+63/32 72/30+21/32 72/10+21/96 72/50+21/32 72/70+21/32