Add 27/4 and 18/42, Solve 6 3/4 + 18/42 as a fraction

Add 27/4 and 18/42

1^st number: 6 3/4, 2^nd number: 18/42

27/4 + 18/42 is 201/28.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
27/4 = 27 × 21/4 × 21 = 567/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
18/42 = 18 × 2/42 × 2 = 36/84
Add the two like fractions:
567/84 + 36/84 = 567 + 36/84 = 603/84
603/84 simplified gives 201/28
So, 27/4 + 18/42 = 201/28
In mixed form: 75/28

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