Add 45/12 and 27/16, Solve 3 9/12 + 1 11/16 as a fraction

Add 45/12 and 27/16

1^st number: 3 9/12, 2^nd number: 1 11/16

45/12 + 27/16 is 87/16.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48

Next, find the equivalent fraction of both fractional numbers with denominator 48
For the 1st fraction, since 12 × 4 = 48,
45/12 = 45 × 4/12 × 4 = 180/48
Likewise, for the 2nd fraction, since 16 × 3 = 48,
27/16 = 27 × 3/16 × 3 = 81/48
Add the two like fractions:
180/48 + 81/48 = 180 + 81/48 = 261/48
261/48 simplified gives 87/16
So, 45/12 + 27/16 = 87/16
In mixed form: 57/16

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