Add 84/6 and 30/21, Solve 14 0/6 + 1 9/21 as a fraction

Add 84/6 and 30/21

1^st number: 14 0/6, 2^nd number: 1 9/21

84/6 + 30/21 is 108/7.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
84/6 = 84 × 7/6 × 7 = 588/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
30/21 = 30 × 2/21 × 2 = 60/42
Add the two like fractions:
588/42 + 60/42 = 588 + 60/42 = 648/42
648/42 simplified gives 108/7
So, 84/6 + 30/21 = 108/7
In mixed form: 153/7

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