Add 27/80 and 8/5, Solve 27/80 + 1 3/5 as a fraction

Add 27/80 and 8/5

1^st number: 27/80, 2^nd number: 1 3/5

27/80 + 8/5 is 31/16.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 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 5 × 16 = 80,
8/5 = 8 × 16/5 × 16 = 128/80
Add the two like fractions:
27/80 + 128/80 = 27 + 128/80 = 155/80
155/80 simplified gives 31/16
So, 27/80 + 8/5 = 31/16
In mixed form: 115/16

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