Subtract 14/8 from 25/54, Solve 25/54

Subtract 14/8 from 25/54

1^st number: 25/54, 2^nd number: 1 6/8

25/54 - 14/8 is -139/108.

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,
25/54 = 25 × 4/54 × 4 = 100/216
Likewise, for the 2nd fraction, since 8 × 27 = 216,
14/8 = 14 × 27/8 × 27 = 378/216
Subtract the two like fractions:
100/216 - 378/216 = 100 - 378/216 = -278/216
After reducing the fraction, the answer is -139/108

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