Subtract 9/8 from 25/50, Solve 25/50

Subtract 9/8 from 25/50

1^st number: 25/50, 2^nd number: 1 1/8

25/50 - 9/8 is -5/8.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 8 is 200

Next, find the equivalent fraction of both fractional numbers with denominator 200
For the 1st fraction, since 50 × 4 = 200,
25/50 = 25 × 4/50 × 4 = 100/200
Likewise, for the 2nd fraction, since 8 × 25 = 200,
9/8 = 9 × 25/8 × 25 = 225/200
Subtract the two like fractions:
100/200 - 225/200 = 100 - 225/200 = -125/200
After reducing the fraction, the answer is -5/8

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