Subtract 40/25 from 5/90
1st number: 5/90, 2nd number: 1 15/25
5/90 - 40/25 is -139/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
5/90 = 5 × 5/90 × 5 = 25/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
40/25 = 40 × 18/25 × 18 = 720/450 - Subtract the two like fractions:
25/450 - 720/450 = 25 - 720/450 = -695/450 - After reducing the fraction, the answer is -139/90
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