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