Subtract 75/30 from 1/90
1st number: 1/90, 2nd number: 2 15/30
1/90 - 75/30 is -112/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
75/30 = 75 × 3/30 × 3 = 225/90 - Subtract the two like fractions:
1/90 - 225/90 = 1 - 225/90 = -224/90 - After reducing the fraction, the answer is -112/45
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