Add 21/7 and 60/81, Solve 3 0/7 + 60/81 as a fraction

Add 21/7 and 60/81

1^st number: 3 0/7, 2^nd number: 60/81

21/7 + 60/81 is 101/27.

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,
21/7 = 21 × 81/7 × 81 = 1701/567
Likewise, for the 2nd fraction, since 81 × 7 = 567,
60/81 = 60 × 7/81 × 7 = 420/567
Add the two like fractions:
1701/567 + 420/567 = 1701 + 420/567 = 2121/567
2121/567 simplified gives 101/27
So, 21/7 + 60/81 = 101/27
In mixed form: 320/27

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