Add 54/3 and 21/14, Solve 18 0/3 + 1 7/14 as a fraction

Add 54/3 and 21/14

1^st number: 18 0/3, 2^nd number: 1 7/14

54/3 + 21/14 is 39/2.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 14 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 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42
Add the two like fractions:
756/42 + 63/42 = 756 + 63/42 = 819/42
819/42 simplified gives 39/2
So, 54/3 + 21/14 = 39/2
In mixed form: 191/2

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