Add 90/5 and 27/12, Solve 18 0/5 + 2 3/12 as a fraction

Add 90/5 and 27/12

1^st number: 18 0/5, 2^nd number: 2 3/12

90/5 + 27/12 is 81/4.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 5 × 12 = 60,
90/5 = 90 × 12/5 × 12 = 1080/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
27/12 = 27 × 5/12 × 5 = 135/60
Add the two like fractions:
1080/60 + 135/60 = 1080 + 135/60 = 1215/60
1215/60 simplified gives 81/4
So, 90/5 + 27/12 = 81/4
In mixed form: 201/4

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