Subtract 75/4 from 90/3
1st number: 30 0/3, 2nd number: 18 3/4
90/3 - 75/4 is 45/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
90/3 = 90 × 4/3 × 4 = 360/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
75/4 = 75 × 3/4 × 3 = 225/12 - Subtract the two like fractions:
360/12 - 225/12 = 360 - 225/12 = 135/12 - After reducing the fraction, the answer is 45/4
- In mixed form: 111/4
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