Subtract 2/90 from 1/75
1/75 - 2/90 is -2/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
1/75 = 1 × 6/75 × 6 = 6/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
2/90 = 2 × 5/90 × 5 = 10/450 - Subtract the two like fractions:
6/450 - 10/450 = 6 - 10/450 = -4/450 - After reducing the fraction, the answer is -2/225
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