Add 8/15 and 56/40
1st number: 8/15, 2nd number: 1 16/40
8/15 + 56/40 is 29/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
8/15 = 8 × 8/15 × 8 = 64/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
56/40 = 56 × 3/40 × 3 = 168/120 - Add the two like fractions:
64/120 + 168/120 = 64 + 168/120 = 232/120 - 232/120 simplified gives 29/15
- So, 8/15 + 56/40 = 29/15
In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+56/40 8/30+56/40 8/15+56/80 24/15+56/40 8/45+56/40 40/15+56/40 8/75+56/40 56/15+56/40