Add 81/18 and 27/12, Solve 4 9/18 + 2 3/12 as a fraction

Add 81/18 and 27/12

1^st number: 4 9/18, 2^nd number: 2 3/12

81/18 + 27/12 is 27/4.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 18 × 2 = 36,
81/18 = 81 × 2/18 × 2 = 162/36
Likewise, for the 2nd fraction, since 12 × 3 = 36,
27/12 = 27 × 3/12 × 3 = 81/36
Add the two like fractions:
162/36 + 81/36 = 162 + 81/36 = 243/36
243/36 simplified gives 27/4
So, 81/18 + 27/12 = 27/4
In mixed form: 63/4

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