Add 12/3 and 18/81, Solve 4 0/3 + 18/81 as a fraction

Add 12/3 and 18/81

1^st number: 4 0/3, 2^nd number: 18/81

12/3 + 18/81 is 38/9.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81

Next, find the equivalent fraction of both fractional numbers with denominator 81
For the 1st fraction, since 3 × 27 = 81,
12/3 = 12 × 27/3 × 27 = 324/81
Likewise, for the 2nd fraction, since 81 × 1 = 81,
18/81 = 18 × 1/81 × 1 = 18/81
Add the two like fractions:
324/81 + 18/81 = 324 + 18/81 = 342/81
342/81 simplified gives 38/9
So, 12/3 + 18/81 = 38/9
In mixed form: 42/9

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