Add 56/63 and 15/72
56/63 + 15/72 is 79/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
56/63 = 56 × 8/63 × 8 = 448/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Add the two like fractions:
448/504 + 105/504 = 448 + 105/504 = 553/504 - 553/504 simplified gives 79/72
- So, 56/63 + 15/72 = 79/72
In mixed form: 17/72
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