Add 3/7 and 27/72
3/7 + 27/72 is 45/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
3/7 = 3 × 72/7 × 72 = 216/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
27/72 = 27 × 7/72 × 7 = 189/504 - Add the two like fractions:
216/504 + 189/504 = 216 + 189/504 = 405/504 - 405/504 simplified gives 45/56
- So, 3/7 + 27/72 = 45/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+27/72 3/7+54/72 3/14+27/72 9/7+27/72 3/7+81/72 3/21+27/72 15/7+27/72 3/35+27/72 21/7+27/72 3/49+27/72