Add 15/35 and 2/20
15/35 + 2/20 is 37/70.
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,
15/35 = 15 × 4/35 × 4 = 60/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
2/20 = 2 × 7/20 × 7 = 14/140 - Add the two like fractions:
60/140 + 14/140 = 60 + 14/140 = 74/140 - 74/140 simplified gives 37/70
- So, 15/35 + 2/20 = 37/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35+2/20 15/35+4/20 15/70+2/20 15/35+2/40 45/35+2/20 15/35+6/20 15/35+2/60 75/35+2/20 15/35+10/20 15/35+14/20