Add 10/35 and 12/20
10/35 + 12/20 is 31/35.
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,
10/35 = 10 × 4/35 × 4 = 40/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Add the two like fractions:
40/140 + 84/140 = 40 + 84/140 = 124/140 - 124/140 simplified gives 31/35
- So, 10/35 + 12/20 = 31/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/35+12/20 10/35+24/20 10/70+12/20 10/35+12/40 30/35+12/20 10/35+36/20 10/35+12/60 50/35+12/20 10/35+60/20 70/35+12/20 10/35+84/20