Add 36/3 and 81/42, Solve 12 0/3 + 1 39/42 as a fraction

Add 36/3 and 81/42

1^st number: 12 0/3, 2^nd number: 1 39/42

36/3 + 81/42 is 195/14.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
36/3 = 36 × 14/3 × 14 = 504/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
81/42 = 81 × 1/42 × 1 = 81/42
Add the two like fractions:
504/42 + 81/42 = 504 + 81/42 = 585/42
585/42 simplified gives 195/14
So, 36/3 + 81/42 = 195/14
In mixed form: 1313/14

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