Add 2/20 and 15/7
1st number: 2/20, 2nd number: 2 1/7
2/20 + 15/7 is 157/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
2/20 = 2 × 7/20 × 7 = 14/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
15/7 = 15 × 20/7 × 20 = 300/140 - Add the two like fractions:
14/140 + 300/140 = 14 + 300/140 = 314/140 - 314/140 simplified gives 157/70
- So, 2/20 + 15/7 = 157/70
In mixed form: 217/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+15/7 2/20+30/7 2/40+15/7 2/20+15/14 6/20+15/7 2/20+45/7 2/60+15/7 2/20+15/21 10/20+15/7 2/20+75/7 2/20+15/35 14/20+15/7 2/20+15/49