Subtract 18/32 from 4/25, Solve 4/25

Subtract 18/32 from 4/25

4/25 - 18/32 is -161/400.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 32 is 800

Next, find the equivalent fraction of both fractional numbers with denominator 800
For the 1st fraction, since 25 × 32 = 800,
4/25 = 4 × 32/25 × 32 = 128/800
Likewise, for the 2nd fraction, since 32 × 25 = 800,
18/32 = 18 × 25/32 × 25 = 450/800
Subtract the two like fractions:
128/800 - 450/800 = 128 - 450/800 = -322/800
After reducing the fraction, the answer is -161/400

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