Add 54/3 and 15/42, Solve 18 0/3 + 15/42 as a fraction

Add 54/3 and 15/42

1^st number: 18 0/3, 2^nd number: 15/42

54/3 + 15/42 is 257/14.

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,
54/3 = 54 × 14/3 × 14 = 756/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
15/42 = 15 × 1/42 × 1 = 15/42
Add the two like fractions:
756/42 + 15/42 = 756 + 15/42 = 771/42
771/42 simplified gives 257/14
So, 54/3 + 15/42 = 257/14
In mixed form: 185/14

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