Add 56/7 and 21/81, Solve 8 0/7 + 21/81 as a fraction

Add 56/7 and 21/81

1^st number: 8 0/7, 2^nd number: 21/81

56/7 + 21/81 is 223/27.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567

Next, find the equivalent fraction of both fractional numbers with denominator 567
For the 1st fraction, since 7 × 81 = 567,
56/7 = 56 × 81/7 × 81 = 4536/567
Likewise, for the 2nd fraction, since 81 × 7 = 567,
21/81 = 21 × 7/81 × 7 = 147/567
Add the two like fractions:
4536/567 + 147/567 = 4536 + 147/567 = 4683/567
4683/567 simplified gives 223/27
So, 56/7 + 21/81 = 223/27
In mixed form: 87/27

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