Subtract 27/30 from 40/12, Solve 3 4/12

Subtract 27/30 from 40/12

1^st number: 3 4/12, 2^nd number: 27/30

40/12 - 27/30 is 73/30.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60
Likewise, for the 2nd fraction, since 30 × 2 = 60,
27/30 = 27 × 2/30 × 2 = 54/60
Subtract the two like fractions:
200/60 - 54/60 = 200 - 54/60 = 146/60
After reducing the fraction, the answer is 73/30
In mixed form: 213/30

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