Add 56/15 and 16/18
1st number: 3 11/15, 2nd number: 16/18
56/15 + 16/18 is 208/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
56/15 = 56 × 6/15 × 6 = 336/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
16/18 = 16 × 5/18 × 5 = 80/90 - Add the two like fractions:
336/90 + 80/90 = 336 + 80/90 = 416/90 - 416/90 simplified gives 208/45
- So, 56/15 + 16/18 = 208/45
In mixed form: 428/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+32/18 56/30+16/18 56/15+16/36 56/15+48/18 56/45+16/18 56/15+16/54 56/15+80/18 56/75+16/18 56/15+16/90