Add 56/3 and 70/20
1st number: 18 2/3, 2nd number: 3 10/20
56/3 + 70/20 is 133/6.
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,
56/3 = 56 × 20/3 × 20 = 1120/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
70/20 = 70 × 3/20 × 3 = 210/60 - Add the two like fractions:
1120/60 + 210/60 = 1120 + 210/60 = 1330/60 - 1330/60 simplified gives 133/6
- So, 56/3 + 70/20 = 133/6
In mixed form: 221/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/6+70/20 56/3+70/40 56/9+70/20 56/3+70/60 56/15+70/20 56/21+70/20