Add 81/27 and 27/12, Solve 3 0/27 + 2 3/12 as a fraction

Add 81/27 and 27/12

1^st number: 3 0/27, 2^nd number: 2 3/12

81/27 + 27/12 is 21/4.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
81/27 = 81 × 4/27 × 4 = 324/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
27/12 = 27 × 9/12 × 9 = 243/108
Add the two like fractions:
324/108 + 243/108 = 324 + 243/108 = 567/108
567/108 simplified gives 21/4
So, 81/27 + 27/12 = 21/4
In mixed form: 51/4

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