Add 30/14 and 9/21, Solve 2 2/14 + 9/21 as a fraction

Add 30/14 and 9/21

1^st number: 2 2/14, 2^nd number: 9/21

30/14 + 9/21 is 18/7.

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

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 14 × 3 = 42,
30/14 = 30 × 3/14 × 3 = 90/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
9/21 = 9 × 2/21 × 2 = 18/42
Add the two like fractions:
90/42 + 18/42 = 90 + 18/42 = 108/42
108/42 simplified gives 18/7
So, 30/14 + 9/21 = 18/7
In mixed form: 24/7

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