Add 56/15 and 16/20
1st number: 3 11/15, 2nd number: 16/20
56/15 + 16/20 is 68/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
56/15 = 56 × 4/15 × 4 = 224/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
16/20 = 16 × 3/20 × 3 = 48/60 - Add the two like fractions:
224/60 + 48/60 = 224 + 48/60 = 272/60 - 272/60 simplified gives 68/15
- So, 56/15 + 16/20 = 68/15
In mixed form: 48/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+32/20 56/30+16/20 56/15+16/40 56/15+48/20 56/45+16/20 56/15+16/60 56/15+80/20 56/75+16/20