Add 72/18 and 81/54, Solve 4 0/18 + 1 27/54 as a fraction

Add 72/18 and 81/54

1^st number: 4 0/18, 2^nd number: 1 27/54

72/18 + 81/54 is 11/2.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 18 × 3 = 54,
72/18 = 72 × 3/18 × 3 = 216/54
Likewise, for the 2nd fraction, since 54 × 1 = 54,
81/54 = 81 × 1/54 × 1 = 81/54
Add the two like fractions:
216/54 + 81/54 = 216 + 81/54 = 297/54
297/54 simplified gives 11/2
So, 72/18 + 81/54 = 11/2
In mixed form: 51/2

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