Add 3/20 and 16/35
3/20 + 16/35 is 17/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
3/20 = 3 × 7/20 × 7 = 21/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
16/35 = 16 × 4/35 × 4 = 64/140 - Add the two like fractions:
21/140 + 64/140 = 21 + 64/140 = 85/140 - 85/140 simplified gives 17/28
- So, 3/20 + 16/35 = 17/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+16/35 3/20+32/35 3/40+16/35 3/20+16/70 9/20+16/35 3/20+48/35 3/60+16/35 15/20+16/35 3/20+80/35 21/20+16/35