Add 12/42 and 90/14, Solve 12/42 + 6 6/14 as a fraction

Add 12/42 and 90/14

1^st number: 12/42, 2^nd number: 6 6/14

12/42 + 90/14 is 47/7.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
90/14 = 90 × 3/14 × 3 = 270/42
Add the two like fractions:
12/42 + 270/42 = 12 + 270/42 = 282/42
282/42 simplified gives 47/7
So, 12/42 + 90/14 = 47/7
In mixed form: 65/7

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