Add 5/35 and 21/10
1st number: 5/35, 2nd number: 2 1/10
5/35 + 21/10 is 157/70.
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,
5/35 = 5 × 2/35 × 2 = 10/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Add the two like fractions:
10/70 + 147/70 = 10 + 147/70 = 157/70 - So, 5/35 + 21/10 = 157/70
In mixed form: 217/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/35+21/10 5/35+42/10 5/70+21/10 5/35+21/20 15/35+21/10 5/35+63/10 5/35+21/30 25/35+21/10 5/35+21/50 5/35+21/70