Subtract 25/16 from 40/75, Solve 40/75

Subtract 25/16 from 40/75

1^st number: 40/75, 2^nd number: 1 9/16

40/75 - 25/16 is -247/240.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 75 × 16 = 1200,
40/75 = 40 × 16/75 × 16 = 640/1200
Likewise, for the 2nd fraction, since 16 × 75 = 1200,
25/16 = 25 × 75/16 × 75 = 1875/1200
Subtract the two like fractions:
640/1200 - 1875/1200 = 640 - 1875/1200 = -1235/1200
After reducing the fraction, the answer is -247/240

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