Add 1/56 and 3/72
1/56 + 3/72 is 5/84.
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,
1/56 = 1 × 9/56 × 9 = 9/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
3/72 = 3 × 7/72 × 7 = 21/504 - Add the two like fractions:
9/504 + 21/504 = 9 + 21/504 = 30/504 - 30/504 simplified gives 5/84
- So, 1/56 + 3/72 = 5/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/56+3/72 1/56+6/72 3/56+3/72 1/56+9/72 5/56+3/72 1/56+15/72 7/56+3/72 1/56+21/72