Add 56/6 and 21/12
1st number: 9 2/6, 2nd number: 1 9/12
56/6 + 21/12 is 133/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
56/6 = 56 × 2/6 × 2 = 112/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
21/12 = 21 × 1/12 × 1 = 21/12 - Add the two like fractions:
112/12 + 21/12 = 112 + 21/12 = 133/12 - So, 56/6 + 21/12 = 133/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/6+42/12 56/12+21/12 56/6+21/24 56/6+63/12 56/18+21/12 56/6+21/36 56/30+21/12 56/6+21/60 56/42+21/12 56/6+21/84