Add 27/2 and 36/21, Solve 13 1/2 + 1 15/21 as a fraction

Add 27/2 and 36/21

1^st number: 13 1/2, 2^nd number: 1 15/21

27/2 + 36/21 is 213/14.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
27/2 = 27 × 21/2 × 21 = 567/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
36/21 = 36 × 2/21 × 2 = 72/42
Add the two like fractions:
567/42 + 72/42 = 567 + 72/42 = 639/42
639/42 simplified gives 213/14
So, 27/2 + 36/21 = 213/14
In mixed form: 153/14

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