Add 15/56 and 63/72
15/56 + 63/72 is 8/7.
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,
15/56 = 15 × 9/56 × 9 = 135/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
63/72 = 63 × 7/72 × 7 = 441/504 - Add the two like fractions:
135/504 + 441/504 = 135 + 441/504 = 576/504 - 576/504 simplified gives 8/7
- So, 15/56 + 63/72 = 8/7
In mixed form: 11/7
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