Subtract 28/32 from 10/25, Solve 10/25

Subtract 28/32 from 10/25

10/25 - 28/32 is -19/40.

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,
10/25 = 10 × 32/25 × 32 = 320/800
Likewise, for the 2nd fraction, since 32 × 25 = 800,
28/32 = 28 × 25/32 × 25 = 700/800
Subtract the two like fractions:
320/800 - 700/800 = 320 - 700/800 = -380/800
After reducing the fraction, the answer is -19/40

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