Add 60/7 and 28/20
1st number: 8 4/7, 2nd number: 1 8/20
60/7 + 28/20 is 349/35.
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,
60/7 = 60 × 20/7 × 20 = 1200/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
28/20 = 28 × 7/20 × 7 = 196/140 - Add the two like fractions:
1200/140 + 196/140 = 1200 + 196/140 = 1396/140 - 1396/140 simplified gives 349/35
- So, 60/7 + 28/20 = 349/35
In mixed form: 934/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7+56/20 60/14+28/20 60/7+28/40 60/7+84/20 60/21+28/20 60/7+28/60 60/35+28/20 60/49+28/20