Add 27/20 and 5/12, Solve 1 7/20 + 5/12 as a fraction

Add 27/20 and 5/12

1^st number: 1 7/20, 2^nd number: 5/12

27/20 + 5/12 is 53/30.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 20 × 3 = 60,
27/20 = 27 × 3/20 × 3 = 81/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
5/12 = 5 × 5/12 × 5 = 25/60
Add the two like fractions:
81/60 + 25/60 = 81 + 25/60 = 106/60
106/60 simplified gives 53/30
So, 27/20 + 5/12 = 53/30
In mixed form: 123/30

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