Add 60/18 and 21/54, Solve 3 6/18 + 21/54 as a fraction

Add 60/18 and 21/54

1^st number: 3 6/18, 2^nd number: 21/54

60/18 + 21/54 is 67/18.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 18 × 3 = 54,
60/18 = 60 × 3/18 × 3 = 180/54
Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54
Add the two like fractions:
180/54 + 21/54 = 180 + 21/54 = 201/54
201/54 simplified gives 67/18
So, 60/18 + 21/54 = 67/18
In mixed form: 313/18

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