Add 56/63 and 90/72
1st number: 56/63, 2nd number: 1 18/72
56/63 + 90/72 is 77/36.
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,
90/72 = 90 × 7/72 × 7 = 630/504 - Add the two like fractions:
448/504 + 630/504 = 448 + 630/504 = 1078/504 - 1078/504 simplified gives 77/36
- So, 56/63 + 90/72 = 77/36
In mixed form: 25/36
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