Subtract 7/9 from 25/50
25/50 - 7/9 is -5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
25/50 = 25 × 9/50 × 9 = 225/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
7/9 = 7 × 50/9 × 50 = 350/450 - Subtract the two like fractions:
225/450 - 350/450 = 225 - 350/450 = -125/450 - After reducing the fraction, the answer is -5/18
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