Add 6/4 and 15/42, Solve 1 2/4 + 15/42 as a fraction

Add 6/4 and 15/42

1^st number: 1 2/4, 2^nd number: 15/42

6/4 + 15/42 is 13/7.

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,
6/4 = 6 × 21/4 × 21 = 126/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
15/42 = 15 × 2/42 × 2 = 30/84
Add the two like fractions:
126/84 + 30/84 = 126 + 30/84 = 156/84
156/84 simplified gives 13/7
So, 6/4 + 15/42 = 13/7
In mixed form: 16/7

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