Add 18/7 and 16/20
1st number: 2 4/7, 2nd number: 16/20
18/7 + 16/20 is 118/35.
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,
18/7 = 18 × 20/7 × 20 = 360/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
16/20 = 16 × 7/20 × 7 = 112/140 - Add the two like fractions:
360/140 + 112/140 = 360 + 112/140 = 472/140 - 472/140 simplified gives 118/35
- So, 18/7 + 16/20 = 118/35
In mixed form: 313/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+16/20 18/7+32/20 18/14+16/20 18/7+16/40 54/7+16/20 18/7+48/20 18/21+16/20 18/7+16/60 90/7+16/20 18/7+80/20 18/35+16/20 18/49+16/20