Add 21/2 and 4/84, Solve 10 1/2 + 4/84 as a fraction

Add 21/2 and 4/84

1^st number: 10 1/2, 2^nd number: 4/84

21/2 + 4/84 is 443/42.

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,
4/84 = 4 × 1/84 × 1 = 4/84
Add the two like fractions:
882/84 + 4/84 = 882 + 4/84 = 886/84
886/84 simplified gives 443/42
So, 21/2 + 4/84 = 443/42
In mixed form: 1023/42

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