Subtract 18/10 from 54/12, Solve 4 6/12

Subtract 18/10 from 54/12

1^st number: 4 6/12, 2^nd number: 1 8/10

54/12 - 18/10 is 27/10.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 12 × 5 = 60,
54/12 = 54 × 5/12 × 5 = 270/60
Likewise, for the 2nd fraction, since 10 × 6 = 60,
18/10 = 18 × 6/10 × 6 = 108/60
Subtract the two like fractions:
270/60 - 108/60 = 270 - 108/60 = 162/60
After reducing the fraction, the answer is 27/10
In mixed form: 27/10

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