Subtract 1/12 from 54/45, Solve 1 9/45

Subtract 1/12 from 54/45

1^st number: 1 9/45, 2^nd number: 1/12

54/45 - 1/12 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,
54/45 = 54 × 4/45 × 4 = 216/180
Likewise, for the 2nd fraction, since 12 × 15 = 180,
1/12 = 1 × 15/12 × 15 = 15/180
Subtract the two like fractions:
216/180 - 15/180 = 216 - 15/180 = 201/180
After reducing the fraction, the answer is 67/60
In mixed form: 17/60

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