Add 72/7 and 60/18
1st number: 10 2/7, 2nd number: 3 6/18
72/7 + 60/18 is 286/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
72/7 = 72 × 18/7 × 18 = 1296/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
60/18 = 60 × 7/18 × 7 = 420/126 - Add the two like fractions:
1296/126 + 420/126 = 1296 + 420/126 = 1716/126 - 1716/126 simplified gives 286/21
- So, 72/7 + 60/18 = 286/21
In mixed form: 1313/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14+60/18 72/7+60/36 72/21+60/18 72/7+60/54 72/35+60/18 72/7+60/90 72/49+60/18