Subtract 9/12 from 90/75
1st number: 1 15/75, 2nd number: 9/12
90/75 - 9/12 is 9/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
90/75 = 90 × 4/75 × 4 = 360/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
9/12 = 9 × 25/12 × 25 = 225/300 - Subtract the two like fractions:
360/300 - 225/300 = 360 - 225/300 = 135/300 - After reducing the fraction, the answer is 9/20
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