Subtract 15/12 from 6/45, Solve 6/45

Subtract 15/12 from 6/45

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

6/45 - 15/12 is -67/60.

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

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 45 × 4 = 180,
6/45 = 6 × 4/45 × 4 = 24/180
Likewise, for the 2nd fraction, since 12 × 15 = 180,
15/12 = 15 × 15/12 × 15 = 225/180
Subtract the two like fractions:
24/180 - 225/180 = 24 - 225/180 = -201/180
After reducing the fraction, the answer is -67/60

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