Subtract 75/30 from 18/9
1st number: 2 0/9, 2nd number: 2 15/30
18/9 - 75/30 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
75/30 = 75 × 3/30 × 3 = 225/90 - Subtract the two like fractions:
180/90 - 225/90 = 180 - 225/90 = -45/90 - After reducing the fraction, the answer is -1/2
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