Add 15/56 and 9/18
15/56 + 9/18 is 43/56.
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,
15/56 = 15 × 9/56 × 9 = 135/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
9/18 = 9 × 28/18 × 28 = 252/504 - Add the two like fractions:
135/504 + 252/504 = 135 + 252/504 = 387/504 - 387/504 simplified gives 43/56
- So, 15/56 + 9/18 = 43/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+9/18 15/56+9/36 45/56+9/18 15/56+27/18 15/56+9/54 75/56+9/18 15/56+45/18 15/56+9/90 15/56+63/18