Add 81/2 and 5/42, Solve 40 1/2 + 5/42 as a fraction

Add 81/2 and 5/42

1^st number: 40 1/2, 2^nd number: 5/42

81/2 + 5/42 is 853/21.

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,
81/2 = 81 × 21/2 × 21 = 1701/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
5/42 = 5 × 1/42 × 1 = 5/42
Add the two like fractions:
1701/42 + 5/42 = 1701 + 5/42 = 1706/42
1706/42 simplified gives 853/21
So, 81/2 + 5/42 = 853/21
In mixed form: 4013/21

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