Subtract 75/50 from 18/30
1st number: 18/30, 2nd number: 1 25/50
18/30 - 75/50 is -9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
18/30 = 18 × 5/30 × 5 = 90/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
75/50 = 75 × 3/50 × 3 = 225/150 - Subtract the two like fractions:
90/150 - 225/150 = 90 - 225/150 = -135/150 - After reducing the fraction, the answer is -9/10
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