Add 15/42 and 75/30, Solve 15/42 + 2 15/30 as a fraction

Add 15/42 and 75/30

1^st number: 15/42, 2^nd number: 2 15/30

15/42 + 75/30 is 20/7.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
15/42 = 15 × 5/42 × 5 = 75/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
75/30 = 75 × 7/30 × 7 = 525/210
Add the two like fractions:
75/210 + 525/210 = 75 + 525/210 = 600/210
600/210 simplified gives 20/7
So, 15/42 + 75/30 = 20/7
In mixed form: 26/7

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