Add 30/15 and 7/42, Solve 2 0/15 + 7/42 as a fraction

Add 30/15 and 7/42

1^st number: 2 0/15, 2^nd number: 7/42

30/15 + 7/42 is 13/6.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 15 × 14 = 210,
30/15 = 30 × 14/15 × 14 = 420/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
7/42 = 7 × 5/42 × 5 = 35/210
Add the two like fractions:
420/210 + 35/210 = 420 + 35/210 = 455/210
455/210 simplified gives 13/6
So, 30/15 + 7/42 = 13/6
In mixed form: 21/6

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