Subtract 27/75 from 4/18, Solve 4/18

Subtract 27/75 from 4/18

4/18 - 27/75 is -31/225.

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

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 18 × 25 = 450,
4/18 = 4 × 25/18 × 25 = 100/450
Likewise, for the 2nd fraction, since 75 × 6 = 450,
27/75 = 27 × 6/75 × 6 = 162/450
Subtract the two like fractions:
100/450 - 162/450 = 100 - 162/450 = -62/450
After reducing the fraction, the answer is -31/225

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