Subtract 18/9 from 9/75, Solve 9/75

Subtract 18/9 from 9/75

1^st number: 9/75, 2^nd number: 2 0/9

9/75 - 18/9 is -47/25.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 75 × 3 = 225,
9/75 = 9 × 3/75 × 3 = 27/225
Likewise, for the 2nd fraction, since 9 × 25 = 225,
18/9 = 18 × 25/9 × 25 = 450/225
Subtract the two like fractions:
27/225 - 450/225 = 27 - 450/225 = -423/225
After reducing the fraction, the answer is -47/25

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