Add 7/72 and 7/56
7/72 + 7/56 is 2/9.
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,
7/72 = 7 × 7/72 × 7 = 49/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
7/56 = 7 × 9/56 × 9 = 63/504 - Add the two like fractions:
49/504 + 63/504 = 49 + 63/504 = 112/504 - 112/504 simplified gives 2/9
- So, 7/72 + 7/56 = 2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+7/56 7/72+14/56 21/72+7/56 7/72+21/56 35/72+7/56 7/72+35/56 49/72+7/56 7/72+49/56