Subtract 90/18 from 8/25
1st number: 8/25, 2nd number: 5 0/18
8/25 - 90/18 is -117/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
8/25 = 8 × 18/25 × 18 = 144/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
90/18 = 90 × 25/18 × 25 = 2250/450 - Subtract the two like fractions:
144/450 - 2250/450 = 144 - 2250/450 = -2106/450 - After reducing the fraction, the answer is -117/25
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