Add 15/42 and 25/7, Solve 15/42 + 3 4/7 as a fraction

Add 15/42 and 25/7

1^st number: 15/42, 2^nd number: 3 4/7

15/42 + 25/7 is 55/14.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
15/42 = 15 × 1/42 × 1 = 15/42
Likewise, for the 2nd fraction, since 7 × 6 = 42,
25/7 = 25 × 6/7 × 6 = 150/42
Add the two like fractions:
15/42 + 150/42 = 15 + 150/42 = 165/42
165/42 simplified gives 55/14
So, 15/42 + 25/7 = 55/14
In mixed form: 313/14

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