Add 15/7 and 60/20
1st number: 2 1/7, 2nd number: 3 0/20
15/7 + 60/20 is 36/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
15/7 = 15 × 20/7 × 20 = 300/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
60/20 = 60 × 7/20 × 7 = 420/140 - Add the two like fractions:
300/140 + 420/140 = 300 + 420/140 = 720/140 - 720/140 simplified gives 36/7
- So, 15/7 + 60/20 = 36/7
In mixed form: 51/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/7+60/20 15/14+60/20 15/7+60/40 45/7+60/20 15/21+60/20 75/7+60/20 15/35+60/20 15/49+60/20