Add 21/2 and 7/42, Solve 10 1/2 + 7/42 as a fraction

Add 21/2 and 7/42

1^st number: 10 1/2, 2^nd number: 7/42

21/2 + 7/42 is 32/3.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
21/2 = 21 × 21/2 × 21 = 441/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
7/42 = 7 × 1/42 × 1 = 7/42
Add the two like fractions:
441/42 + 7/42 = 441 + 7/42 = 448/42
448/42 simplified gives 32/3
So, 21/2 + 7/42 = 32/3
In mixed form: 102/3

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