Add 15/42 and 50/4, Solve 15/42 + 12 2/4 as a fraction

Add 15/42 and 50/4

1^st number: 15/42, 2^nd number: 12 2/4

15/42 + 50/4 is 90/7.

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

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 42 × 2 = 84,
15/42 = 15 × 2/42 × 2 = 30/84
Likewise, for the 2nd fraction, since 4 × 21 = 84,
50/4 = 50 × 21/4 × 21 = 1050/84
Add the two like fractions:
30/84 + 1050/84 = 30 + 1050/84 = 1080/84
1080/84 simplified gives 90/7
So, 15/42 + 50/4 = 90/7
In mixed form: 126/7

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