Add 15/4 and 6/42, Solve 3 3/4 + 6/42 as a fraction

Add 15/4 and 6/42

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

15/4 + 6/42 is 109/28.

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,
15/4 = 15 × 21/4 × 21 = 315/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
6/42 = 6 × 2/42 × 2 = 12/84
Add the two like fractions:
315/84 + 12/84 = 315 + 12/84 = 327/84
327/84 simplified gives 109/28
So, 15/4 + 6/42 = 109/28
In mixed form: 325/28

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