Add 30/56 and 27/72
30/56 + 27/72 is 51/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
30/56 = 30 × 9/56 × 9 = 270/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
27/72 = 27 × 7/72 × 7 = 189/504 - Add the two like fractions:
270/504 + 189/504 = 270 + 189/504 = 459/504 - 459/504 simplified gives 51/56
- So, 30/56 + 27/72 = 51/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/56+27/72 30/56+54/72 90/56+27/72 30/56+81/72