Add 10/7 and 16/20
1st number: 1 3/7, 2nd number: 16/20
10/7 + 16/20 is 78/35.
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,
10/7 = 10 × 20/7 × 20 = 200/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
16/20 = 16 × 7/20 × 7 = 112/140 - Add the two like fractions:
200/140 + 112/140 = 200 + 112/140 = 312/140 - 312/140 simplified gives 78/35
- So, 10/7 + 16/20 = 78/35
In mixed form: 28/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/7+16/20 10/7+32/20 10/14+16/20 10/7+16/40 30/7+16/20 10/7+48/20 10/21+16/20 10/7+16/60 50/7+16/20 10/7+80/20 10/35+16/20 70/7+16/20 10/49+16/20