Add 27/80 and 21/10, Solve 27/80 + 2 1/10 as a fraction

Add 27/80 and 21/10

1^st number: 27/80, 2^nd number: 2 1/10

27/80 + 21/10 is 39/16.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 80 × 1 = 80,
27/80 = 27 × 1/80 × 1 = 27/80
Likewise, for the 2nd fraction, since 10 × 8 = 80,
21/10 = 21 × 8/10 × 8 = 168/80
Add the two like fractions:
27/80 + 168/80 = 27 + 168/80 = 195/80
195/80 simplified gives 39/16
So, 27/80 + 21/10 = 39/16
In mixed form: 27/16

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