Add 56/18 and 15/12
1st number: 3 2/18, 2nd number: 1 3/12
56/18 + 15/12 is 157/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
56/18 = 56 × 2/18 × 2 = 112/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
15/12 = 15 × 3/12 × 3 = 45/36 - Add the two like fractions:
112/36 + 45/36 = 112 + 45/36 = 157/36 - So, 56/18 + 15/12 = 157/36
In mixed form: 413/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+30/12 56/36+15/12 56/18+15/24 56/18+45/12 56/54+15/12 56/18+15/36 56/18+75/12 56/90+15/12 56/18+15/60 56/18+15/84