Subtract 4/75 from 1/90
1/90 - 4/75 is -19/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
1/90 = 1 × 5/90 × 5 = 5/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
4/75 = 4 × 6/75 × 6 = 24/450 - Subtract the two like fractions:
5/450 - 24/450 = 5 - 24/450 = -19/450
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