Add 27/72 and 4/7
27/72 + 4/7 is 53/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 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 7 × 72 = 504,
4/7 = 4 × 72/7 × 72 = 288/504 - Add the two like fractions:
189/504 + 288/504 = 189 + 288/504 = 477/504 - 477/504 simplified gives 53/56
- So, 27/72 + 4/7 = 53/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+4/7 27/72+8/7 27/72+4/14 81/72+4/7 27/72+12/7 27/72+4/21 27/72+20/7 27/72+4/35 27/72+28/7 27/72+4/49