Subtract 6/45 from 40/12, Solve 3 4/12

Subtract 6/45 from 40/12

1^st number: 3 4/12, 2^nd number: 6/45

40/12 - 6/45 is 16/5.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 12 × 15 = 180,
40/12 = 40 × 15/12 × 15 = 600/180
Likewise, for the 2nd fraction, since 45 × 4 = 180,
6/45 = 6 × 4/45 × 4 = 24/180
Subtract the two like fractions:
600/180 - 24/180 = 600 - 24/180 = 576/180
After reducing the fraction, the answer is 16/5
In mixed form: 31/5

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