Subtract 16/18 from 18/25, Solve 18/25

Subtract 16/18 from 18/25

18/25 - 16/18 is -38/225.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 25 × 18 = 450,
18/25 = 18 × 18/25 × 18 = 324/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
16/18 = 16 × 25/18 × 25 = 400/450
Subtract the two like fractions:
324/450 - 400/450 = 324 - 400/450 = -76/450
After reducing the fraction, the answer is -38/225

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