Add 54/56 and 1/18
54/56 + 1/18 is 257/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
54/56 = 54 × 9/56 × 9 = 486/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
1/18 = 1 × 28/18 × 28 = 28/504 - Add the two like fractions:
486/504 + 28/504 = 486 + 28/504 = 514/504 - 514/504 simplified gives 257/252
- So, 54/56 + 1/18 = 257/252
In mixed form: 15/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+2/18 54/56+1/36 54/56+3/18 54/56+1/54 54/56+5/18 54/56+1/90 54/56+7/18