Subtract 14/10 from 40/54, Solve 40/54

Subtract 14/10 from 40/54

1^st number: 40/54, 2^nd number: 1 4/10

40/54 - 14/10 is -89/135.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 54 × 5 = 270,
40/54 = 40 × 5/54 × 5 = 200/270
Likewise, for the 2nd fraction, since 10 × 27 = 270,
14/10 = 14 × 27/10 × 27 = 378/270
Subtract the two like fractions:
200/270 - 378/270 = 200 - 378/270 = -178/270
After reducing the fraction, the answer is -89/135

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