Add 9/72 and 7/56
9/72 + 7/56 is 1/4.
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,
9/72 = 9 × 7/72 × 7 = 63/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
7/56 = 7 × 9/56 × 9 = 63/504 - Add the two like fractions:
63/504 + 63/504 = 63 + 63/504 = 126/504 - 126/504 simplified gives 1/4
- So, 9/72 + 7/56 = 1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72+7/56 9/72+14/56 27/72+7/56 9/72+21/56 45/72+7/56 9/72+35/56 63/72+7/56 9/72+49/56