Add 72/35 and 2/20
1st number: 2 2/35, 2nd number: 2/20
72/35 + 2/20 is 151/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
72/35 = 72 × 4/35 × 4 = 288/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
2/20 = 2 × 7/20 × 7 = 14/140 - Add the two like fractions:
288/140 + 14/140 = 288 + 14/140 = 302/140 - 302/140 simplified gives 151/70
- So, 72/35 + 2/20 = 151/70
In mixed form: 211/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/35+4/20 72/70+2/20 72/35+2/40 72/35+6/20 72/35+2/60 72/35+10/20 72/35+14/20