Add 40/12 and 5/54, Solve 3 4/12 + 5/54 as a fraction

Add 40/12 and 5/54

1^st number: 3 4/12, 2^nd number: 5/54

40/12 + 5/54 is 185/54.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 12 × 9 = 108,
40/12 = 40 × 9/12 × 9 = 360/108
Likewise, for the 2nd fraction, since 54 × 2 = 108,
5/54 = 5 × 2/54 × 2 = 10/108
Add the two like fractions:
360/108 + 10/108 = 360 + 10/108 = 370/108
370/108 simplified gives 185/54
So, 40/12 + 5/54 = 185/54
In mixed form: 323/54

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