Subtract 10/8 from 27/54, Solve 27/54

Subtract 10/8 from 27/54

1^st number: 27/54, 2^nd number: 1 2/8

27/54 - 10/8 is -3/4.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 54 × 4 = 216,
27/54 = 27 × 4/54 × 4 = 108/216
Likewise, for the 2nd fraction, since 8 × 27 = 216,
10/8 = 10 × 27/8 × 27 = 270/216
Subtract the two like fractions:
108/216 - 270/216 = 108 - 270/216 = -162/216
After reducing the fraction, the answer is -3/4

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