Add 56/15 and 20/8
1st number: 3 11/15, 2nd number: 2 4/8
56/15 + 20/8 is 187/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
56/15 = 56 × 8/15 × 8 = 448/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
20/8 = 20 × 15/8 × 15 = 300/120 - Add the two like fractions:
448/120 + 300/120 = 448 + 300/120 = 748/120 - 748/120 simplified gives 187/30
- So, 56/15 + 20/8 = 187/30
In mixed form: 67/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+40/8 56/30+20/8 56/15+20/16 56/15+60/8 56/45+20/8 56/15+20/24 56/75+20/8 56/15+20/40 56/15+20/56