Add 6/42 and 10/5, Solve 6/42 + 2 0/5 as a fraction

Add 6/42 and 10/5

1^st number: 6/42, 2^nd number: 2 0/5

6/42 + 10/5 is 15/7.

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

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
6/42 = 6 × 5/42 × 5 = 30/210
Likewise, for the 2nd fraction, since 5 × 42 = 210,
10/5 = 10 × 42/5 × 42 = 420/210
Add the two like fractions:
30/210 + 420/210 = 30 + 420/210 = 450/210
450/210 simplified gives 15/7
So, 6/42 + 10/5 = 15/7
In mixed form: 21/7

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