Subtract 96/54 from 42/80, Solve 42/80

Subtract 96/54 from 42/80

1^st number: 42/80, 2^nd number: 1 42/54

42/80 - 96/54 is -451/360.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 80 × 27 = 2160,
42/80 = 42 × 27/80 × 27 = 1134/2160
Likewise, for the 2nd fraction, since 54 × 40 = 2160,
96/54 = 96 × 40/54 × 40 = 3840/2160
Subtract the two like fractions:
1134/2160 - 3840/2160 = 1134 - 3840/2160 = -2706/2160
After reducing the fraction, the answer is -451/360

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