Add 15/42 and 30/7, Solve 15/42 + 4 2/7 as a fraction

Add 15/42 and 30/7

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

15/42 + 30/7 is 65/14.

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,
30/7 = 30 × 6/7 × 6 = 180/42
Add the two like fractions:
15/42 + 180/42 = 15 + 180/42 = 195/42
195/42 simplified gives 65/14
So, 15/42 + 30/7 = 65/14
In mixed form: 49/14

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