Add 7/56 and 15/54
7/56 + 15/54 is 29/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
7/56 = 7 × 27/56 × 27 = 189/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
15/54 = 15 × 28/54 × 28 = 420/1512 - Add the two like fractions:
189/1512 + 420/1512 = 189 + 420/1512 = 609/1512 - 609/1512 simplified gives 29/72
- So, 7/56 + 15/54 = 29/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56+15/54 7/56+30/54 21/56+15/54 7/56+45/54 35/56+15/54 7/56+75/54 49/56+15/54