Add 10/7 and 6/20
1st number: 1 3/7, 2nd number: 6/20
10/7 + 6/20 is 121/70.
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,
10/7 = 10 × 20/7 × 20 = 200/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
6/20 = 6 × 7/20 × 7 = 42/140 - Add the two like fractions:
200/140 + 42/140 = 200 + 42/140 = 242/140 - 242/140 simplified gives 121/70
- So, 10/7 + 6/20 = 121/70
In mixed form: 151/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/7+6/20 10/7+12/20 10/14+6/20 10/7+6/40 30/7+6/20 10/7+18/20 10/21+6/20 10/7+6/60 50/7+6/20 10/7+30/20 10/35+6/20 70/7+6/20 10/7+42/20 10/49+6/20