Subtract 25/80 from 8/9, Solve 8/9

Subtract 25/80 from 8/9

8/9 - 25/80 is 83/144.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 9 × 80 = 720,
8/9 = 8 × 80/9 × 80 = 640/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
25/80 = 25 × 9/80 × 9 = 225/720
Subtract the two like fractions:
640/720 - 225/720 = 640 - 225/720 = 415/720
After reducing the fraction, the answer is 83/144

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