Add 84/6 and 54/21, Solve 14 0/6 + 2 12/21 as a fraction

Add 84/6 and 54/21

1^st number: 14 0/6, 2^nd number: 2 12/21

84/6 + 54/21 is 116/7.

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,
54/21 = 54 × 2/21 × 2 = 108/42
Add the two like fractions:
588/42 + 108/42 = 588 + 108/42 = 696/42
696/42 simplified gives 116/7
So, 84/6 + 54/21 = 116/7
In mixed form: 164/7

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