Add 56/63 and 27/81, Solve 56/63 + 27/81 as a fraction

Add 56/63 and 27/81

56/63 + 27/81 is 11/9.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567

Next, find the equivalent fraction of both fractional numbers with denominator 567
For the 1st fraction, since 63 × 9 = 567,
56/63 = 56 × 9/63 × 9 = 504/567
Likewise, for the 2nd fraction, since 81 × 7 = 567,
27/81 = 27 × 7/81 × 7 = 189/567
Add the two like fractions:
504/567 + 189/567 = 504 + 189/567 = 693/567
693/567 simplified gives 11/9
So, 56/63 + 27/81 = 11/9
In mixed form: 12/9

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