Add 60/7 and 21/72
1st number: 8 4/7, 2nd number: 21/72
60/7 + 21/72 is 1489/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
60/7 = 60 × 72/7 × 72 = 4320/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
21/72 = 21 × 7/72 × 7 = 147/504 - Add the two like fractions:
4320/504 + 147/504 = 4320 + 147/504 = 4467/504 - 4467/504 simplified gives 1489/168
- So, 60/7 + 21/72 = 1489/168
In mixed form: 8145/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7+42/72 60/14+21/72 60/7+63/72 60/21+21/72 60/35+21/72 60/49+21/72