Add 12/4 and 4/42, Solve 3 0/4 + 4/42 as a fraction

Add 12/4 and 4/42

1^st number: 3 0/4, 2^nd number: 4/42

12/4 + 4/42 is 65/21.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
12/4 = 12 × 21/4 × 21 = 252/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
4/42 = 4 × 2/42 × 2 = 8/84
Add the two like fractions:
252/84 + 8/84 = 252 + 8/84 = 260/84
260/84 simplified gives 65/21
So, 12/4 + 4/42 = 65/21
In mixed form: 32/21

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