Add 15/5 and 30/42, Solve 3 0/5 + 30/42 as a fraction

Add 15/5 and 30/42

1^st number: 3 0/5, 2^nd number: 30/42

15/5 + 30/42 is 26/7.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 5 × 42 = 210,
15/5 = 15 × 42/5 × 42 = 630/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
30/42 = 30 × 5/42 × 5 = 150/210
Add the two like fractions:
630/210 + 150/210 = 630 + 150/210 = 780/210
780/210 simplified gives 26/7
So, 15/5 + 30/42 = 26/7
In mixed form: 35/7

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