Add 70/3 and 21/20
1st number: 23 1/3, 2nd number: 1 1/20
70/3 + 21/20 is 1463/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
70/3 = 70 × 20/3 × 20 = 1400/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
21/20 = 21 × 3/20 × 3 = 63/60 - Add the two like fractions:
1400/60 + 63/60 = 1400 + 63/60 = 1463/60 - So, 70/3 + 21/20 = 1463/60
In mixed form: 2423/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/3+42/20 70/6+21/20 70/3+21/40 70/3+63/20 70/9+21/20 70/3+21/60 70/15+21/20 70/21+21/20