Add 60/7 and 3/20
1st number: 8 4/7, 2nd number: 3/20
60/7 + 3/20 is 1221/140.
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,
3/20 = 3 × 7/20 × 7 = 21/140 - Add the two like fractions:
1200/140 + 21/140 = 1200 + 21/140 = 1221/140 - So, 60/7 + 3/20 = 1221/140
In mixed form: 8101/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7+6/20 60/14+3/20 60/7+3/40 60/7+9/20 60/21+3/20 60/7+3/60 60/7+15/20 60/35+3/20 60/7+21/20 60/49+3/20