Add 2/70 and 21/10
1st number: 2/70, 2nd number: 2 1/10
2/70 + 21/10 is 149/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
2/70 = 2 × 1/70 × 1 = 2/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Add the two like fractions:
2/70 + 147/70 = 2 + 147/70 = 149/70 - So, 2/70 + 21/10 = 149/70
In mixed form: 29/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70+21/10 2/70+42/10 2/70+21/20 6/70+21/10 2/70+63/10 2/70+21/30 10/70+21/10 2/70+21/50 14/70+21/10 2/70+21/70