Add 56/72 and 63/56
1st number: 56/72, 2nd number: 1 7/56
56/72 + 63/56 is 137/72.
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,
56/72 = 56 × 7/72 × 7 = 392/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
63/56 = 63 × 9/56 × 9 = 567/504 - Add the two like fractions:
392/504 + 567/504 = 392 + 567/504 = 959/504 - 959/504 simplified gives 137/72
- So, 56/72 + 63/56 = 137/72
In mixed form: 165/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: