Add 27/2 and 21/10, Solve 13 1/2 + 2 1/10 as a fraction

Add 27/2 and 21/10

1^st number: 13 1/2, 2^nd number: 2 1/10

27/2 + 21/10 is 78/5.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10

Next, find the equivalent fraction of both fractional numbers with denominator 10
For the 1st fraction, since 2 × 5 = 10,
27/2 = 27 × 5/2 × 5 = 135/10
Likewise, for the 2nd fraction, since 10 × 1 = 10,
21/10 = 21 × 1/10 × 1 = 21/10
Add the two like fractions:
135/10 + 21/10 = 135 + 21/10 = 156/10
156/10 simplified gives 78/5
So, 27/2 + 21/10 = 78/5
In mixed form: 153/5

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