Add 12/35 and 9/20
12/35 + 9/20 is 111/140.
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,
12/35 = 12 × 4/35 × 4 = 48/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
9/20 = 9 × 7/20 × 7 = 63/140 - Add the two like fractions:
48/140 + 63/140 = 48 + 63/140 = 111/140 - So, 12/35 + 9/20 = 111/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35+9/20 12/35+18/20 12/70+9/20 12/35+9/40 36/35+9/20 12/35+27/20 12/35+9/60 60/35+9/20 12/35+45/20 84/35+9/20 12/35+63/20