Add 54/12 and 18/56
1st number: 4 6/12, 2nd number: 18/56
54/12 + 18/56 is 135/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
54/12 = 54 × 14/12 × 14 = 756/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
18/56 = 18 × 3/56 × 3 = 54/168 - Add the two like fractions:
756/168 + 54/168 = 756 + 54/168 = 810/168 - 810/168 simplified gives 135/28
- So, 54/12 + 18/56 = 135/28
In mixed form: 423/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+36/56 54/24+18/56 54/12+54/56 54/36+18/56 54/12+90/56 54/60+18/56 54/84+18/56