Add 21/2 and 6/84, Solve 10 1/2 + 6/84 as a fraction

Add 21/2 and 6/84

1^st number: 10 1/2, 2^nd number: 6/84

21/2 + 6/84 is 74/7.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 2 × 42 = 84,
21/2 = 21 × 42/2 × 42 = 882/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
6/84 = 6 × 1/84 × 1 = 6/84
Add the two like fractions:
882/84 + 6/84 = 882 + 6/84 = 888/84
888/84 simplified gives 74/7
So, 21/2 + 6/84 = 74/7
In mixed form: 104/7

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