Add 12/7 and 16/20
1st number: 1 5/7, 2nd number: 16/20
12/7 + 16/20 is 88/35.
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,
12/7 = 12 × 20/7 × 20 = 240/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
16/20 = 16 × 7/20 × 7 = 112/140 - Add the two like fractions:
240/140 + 112/140 = 240 + 112/140 = 352/140 - 352/140 simplified gives 88/35
- So, 12/7 + 16/20 = 88/35
In mixed form: 218/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/7+16/20 12/7+32/20 12/14+16/20 12/7+16/40 36/7+16/20 12/7+48/20 12/21+16/20 12/7+16/60 60/7+16/20 12/7+80/20 12/35+16/20 84/7+16/20 12/49+16/20