Add 84/6 and 63/42, Solve 14 0/6 + 1 21/42 as a fraction

Add 84/6 and 63/42

1^st number: 14 0/6, 2^nd number: 1 21/42

84/6 + 63/42 is 31/2.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 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 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42
Add the two like fractions:
588/42 + 63/42 = 588 + 63/42 = 651/42
651/42 simplified gives 31/2
So, 84/6 + 63/42 = 31/2
In mixed form: 151/2

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