Add 6/21 and 30/14, Solve 6/21 + 2 2/14 as a fraction

Add 6/21 and 30/14

1^st number: 6/21, 2^nd number: 2 2/14

6/21 + 30/14 is 17/7.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
6/21 = 6 × 2/21 × 2 = 12/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
30/14 = 30 × 3/14 × 3 = 90/42
Add the two like fractions:
12/42 + 90/42 = 12 + 90/42 = 102/42
102/42 simplified gives 17/7
So, 6/21 + 30/14 = 17/7
In mixed form: 23/7

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