Add 30/7 and 3/54, Solve 4 2/7 + 3/54 as a fraction

Add 30/7 and 3/54

1^st number: 4 2/7, 2^nd number: 3/54

30/7 + 3/54 is 547/126.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 7 × 54 = 378,
30/7 = 30 × 54/7 × 54 = 1620/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
3/54 = 3 × 7/54 × 7 = 21/378
Add the two like fractions:
1620/378 + 21/378 = 1620 + 21/378 = 1641/378
1641/378 simplified gives 547/126
So, 30/7 + 3/54 = 547/126
In mixed form: 443/126

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