Subtract 1/15 from 40/12, Solve 3 4/12

Subtract 1/15 from 40/12

1^st number: 3 4/12, 2^nd number: 1/15

40/12 - 1/15 is 49/15.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 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 15 × 4 = 60,
1/15 = 1 × 4/15 × 4 = 4/60
Subtract the two like fractions:
200/60 - 4/60 = 200 - 4/60 = 196/60
After reducing the fraction, the answer is 49/15
In mixed form: 34/15

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