Add 15/12 and 81/3, Solve 1 3/12 + 27 0/3 as a fraction

Add 15/12 and 81/3

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

15/12 + 81/3 is 113/4.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 3 is 12

Next, find the equivalent fraction of both fractional numbers with denominator 12
For the 1st fraction, since 12 × 1 = 12,
15/12 = 15 × 1/12 × 1 = 15/12
Likewise, for the 2nd fraction, since 3 × 4 = 12,
81/3 = 81 × 4/3 × 4 = 324/12
Add the two like fractions:
15/12 + 324/12 = 15 + 324/12 = 339/12
339/12 simplified gives 113/4
So, 15/12 + 81/3 = 113/4
In mixed form: 281/4

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