Subtract 80/18 from 9/75, Solve 9/75

Subtract 80/18 from 9/75

1^st number: 9/75, 2^nd number: 4 8/18

9/75 - 80/18 is -973/225.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 75 × 6 = 450,
9/75 = 9 × 6/75 × 6 = 54/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
80/18 = 80 × 25/18 × 25 = 2000/450
Subtract the two like fractions:
54/450 - 2000/450 = 54 - 2000/450 = -1946/450
After reducing the fraction, the answer is -973/225

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