Add 6/42 and 75/21, Solve 6/42 + 3 12/21 as a fraction

Add 6/42 and 75/21

1^st number: 6/42, 2^nd number: 3 12/21

6/42 + 75/21 is 26/7.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
6/42 = 6 × 1/42 × 1 = 6/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
75/21 = 75 × 2/21 × 2 = 150/42
Add the two like fractions:
6/42 + 150/42 = 6 + 150/42 = 156/42
156/42 simplified gives 26/7
So, 6/42 + 75/21 = 26/7
In mixed form: 35/7

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