Add 12/54 and 30/7, Solve 12/54 + 4 2/7 as a fraction

Add 12/54 and 30/7

1^st number: 12/54, 2^nd number: 4 2/7

12/54 + 30/7 is 284/63.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
12/54 = 12 × 7/54 × 7 = 84/378
Likewise, for the 2nd fraction, since 7 × 54 = 378,
30/7 = 30 × 54/7 × 54 = 1620/378
Add the two like fractions:
84/378 + 1620/378 = 84 + 1620/378 = 1704/378
1704/378 simplified gives 284/63
So, 12/54 + 30/7 = 284/63
In mixed form: 432/63

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