Add 20/42 and 30/14, Solve 20/42 + 2 2/14 as a fraction

Add 20/42 and 30/14

1^st number: 20/42, 2^nd number: 2 2/14

20/42 + 30/14 is 55/21.

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,
20/42 = 20 × 1/42 × 1 = 20/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
30/14 = 30 × 3/14 × 3 = 90/42
Add the two like fractions:
20/42 + 90/42 = 20 + 90/42 = 110/42
110/42 simplified gives 55/21
So, 20/42 + 30/14 = 55/21
In mixed form: 213/21

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