Add 9/18 and 27/56
9/18 + 27/56 is 55/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
9/18 = 9 × 28/18 × 28 = 252/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
27/56 = 27 × 9/56 × 9 = 243/504 - Add the two like fractions:
252/504 + 243/504 = 252 + 243/504 = 495/504 - 495/504 simplified gives 55/56
- So, 9/18 + 27/56 = 55/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18+54/56 9/36+27/56 27/18+27/56 9/18+81/56 9/54+27/56 45/18+27/56 9/90+27/56 63/18+27/56