Add 20/35 and 7/10
20/35 + 7/10 is 89/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
20/35 = 20 × 2/35 × 2 = 40/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
7/10 = 7 × 7/10 × 7 = 49/70 - Add the two like fractions:
40/70 + 49/70 = 40 + 49/70 = 89/70 - So, 20/35 + 7/10 = 89/70
In mixed form: 119/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35+7/10 20/35+14/10 20/70+7/10 20/35+7/20 60/35+7/10 20/35+21/10 20/35+7/30 20/35+35/10 20/35+7/50 20/35+49/10 20/35+7/70