Add 64/3 and 35/20
1st number: 21 1/3, 2nd number: 1 15/20
64/3 + 35/20 is 277/12.
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,
64/3 = 64 × 20/3 × 20 = 1280/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
35/20 = 35 × 3/20 × 3 = 105/60 - Add the two like fractions:
1280/60 + 105/60 = 1280 + 105/60 = 1385/60 - 1385/60 simplified gives 277/12
- So, 64/3 + 35/20 = 277/12
In mixed form: 231/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/3+70/20 64/6+35/20 64/3+35/40 64/9+35/20 64/3+35/60 64/15+35/20 64/21+35/20