Add 60/18 and 21/81, Solve 3 6/18 + 21/81 as a fraction

Add 60/18 and 21/81

1^st number: 3 6/18, 2^nd number: 21/81

60/18 + 21/81 is 97/27.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162

Next, find the equivalent fraction of both fractional numbers with denominator 162
For the 1st fraction, since 18 × 9 = 162,
60/18 = 60 × 9/18 × 9 = 540/162
Likewise, for the 2nd fraction, since 81 × 2 = 162,
21/81 = 21 × 2/81 × 2 = 42/162
Add the two like fractions:
540/162 + 42/162 = 540 + 42/162 = 582/162
582/162 simplified gives 97/27
So, 60/18 + 21/81 = 97/27
In mixed form: 316/27

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