Add 81/6 and 18/27, Solve 13 3/6 + 18/27 as a fraction

Add 81/6 and 18/27

1^st number: 13 3/6, 2^nd number: 18/27

81/6 + 18/27 is 85/6.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 6 × 9 = 54,
81/6 = 81 × 9/6 × 9 = 729/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
18/27 = 18 × 2/27 × 2 = 36/54
Add the two like fractions:
729/54 + 36/54 = 729 + 36/54 = 765/54
765/54 simplified gives 85/6
So, 81/6 + 18/27 = 85/6
In mixed form: 141/6

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