Add 12/56 and 18/7
1st number: 12/56, 2nd number: 2 4/7
12/56 + 18/7 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
12/56 = 12 × 1/56 × 1 = 12/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
18/7 = 18 × 8/7 × 8 = 144/56 - Add the two like fractions:
12/56 + 144/56 = 12 + 144/56 = 156/56 - 156/56 simplified gives 39/14
- So, 12/56 + 18/7 = 39/14
In mixed form: 211/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56+18/7 12/56+36/7 12/56+18/14 36/56+18/7 12/56+54/7 12/56+18/21 60/56+18/7 12/56+90/7 12/56+18/35 84/56+18/7 12/56+18/49