Add 4/3 and 21/70
1st number: 1 1/3, 2nd number: 21/70
4/3 + 21/70 is 49/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
4/3 = 4 × 70/3 × 70 = 280/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
21/70 = 21 × 3/70 × 3 = 63/210 - Add the two like fractions:
280/210 + 63/210 = 280 + 63/210 = 343/210 - 343/210 simplified gives 49/30
- So, 4/3 + 21/70 = 49/30
In mixed form: 119/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/3+21/70 4/3+42/70 4/6+21/70 12/3+21/70 4/3+63/70 4/9+21/70 20/3+21/70 4/15+21/70 28/3+21/70 4/21+21/70