Add 56/12 and 9/20
1st number: 4 8/12, 2nd number: 9/20
56/12 + 9/20 is 307/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
56/12 = 56 × 5/12 × 5 = 280/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
9/20 = 9 × 3/20 × 3 = 27/60 - Add the two like fractions:
280/60 + 27/60 = 280 + 27/60 = 307/60 - So, 56/12 + 9/20 = 307/60
In mixed form: 57/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+18/20 56/24+9/20 56/12+9/40 56/12+27/20 56/36+9/20 56/12+9/60 56/12+45/20 56/60+9/20 56/12+63/20 56/84+9/20