Add 12/56 and 18/12
1st number: 12/56, 2nd number: 1 6/12
12/56 + 18/12 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 12 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
12/56 = 12 × 3/56 × 3 = 36/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
18/12 = 18 × 14/12 × 14 = 252/168 - Add the two like fractions:
36/168 + 252/168 = 36 + 252/168 = 288/168 - 288/168 simplified gives 12/7
- So, 12/56 + 18/12 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56+18/12 12/56+36/12 12/56+18/24 36/56+18/12 12/56+54/12 12/56+18/36 60/56+18/12 12/56+90/12 12/56+18/60 84/56+18/12 12/56+18/84