Subtract 90/27 from 4/75, Solve 4/75

Subtract 90/27 from 4/75

1^st number: 4/75, 2^nd number: 3 9/27

4/75 - 90/27 is -82/25.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 27 is 675

Next, find the equivalent fraction of both fractional numbers with denominator 675
For the 1st fraction, since 75 × 9 = 675,
4/75 = 4 × 9/75 × 9 = 36/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
90/27 = 90 × 25/27 × 25 = 2250/675
Subtract the two like fractions:
36/675 - 2250/675 = 36 - 2250/675 = -2214/675
After reducing the fraction, the answer is -82/25

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