Add 18/30 and 6/81, Solve 18/30 + 6/81 as a fraction

Add 18/30 and 6/81

18/30 + 6/81 is 91/135.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810

Next, find the equivalent fraction of both fractional numbers with denominator 810
For the 1st fraction, since 30 × 27 = 810,
18/30 = 18 × 27/30 × 27 = 486/810
Likewise, for the 2nd fraction, since 81 × 10 = 810,
6/81 = 6 × 10/81 × 10 = 60/810
Add the two like fractions:
486/810 + 60/810 = 486 + 60/810 = 546/810
546/810 simplified gives 91/135
So, 18/30 + 6/81 = 91/135

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