Add 12/4 and 30/84, Solve 3 0/4 + 30/84 as a fraction

Add 12/4 and 30/84

1^st number: 3 0/4, 2^nd number: 30/84

12/4 + 30/84 is 47/14.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 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 84 × 1 = 84,
30/84 = 30 × 1/84 × 1 = 30/84
Add the two like fractions:
252/84 + 30/84 = 252 + 30/84 = 282/84
282/84 simplified gives 47/14
So, 12/4 + 30/84 = 47/14
In mixed form: 35/14

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