Add 10/12 and 42/81, Solve 10/12 + 42/81 as a fraction

Add 10/12 and 42/81

10/12 + 42/81 is 73/54.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324

Next, find the equivalent fraction of both fractional numbers with denominator 324
For the 1st fraction, since 12 × 27 = 324,
10/12 = 10 × 27/12 × 27 = 270/324
Likewise, for the 2nd fraction, since 81 × 4 = 324,
42/81 = 42 × 4/81 × 4 = 168/324
Add the two like fractions:
270/324 + 168/324 = 270 + 168/324 = 438/324
438/324 simplified gives 73/54
So, 10/12 + 42/81 = 73/54
In mixed form: 119/54

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