Subtract 3/18 from 12/75, Solve 12/75

Subtract 3/18 from 12/75

12/75 - 3/18 is -1/150.

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,
12/75 = 12 × 6/75 × 6 = 72/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
3/18 = 3 × 25/18 × 25 = 75/450
Subtract the two like fractions:
72/450 - 75/450 = 72 - 75/450 = -3/450
After reducing the fraction, the answer is -1/150

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