Subtract 45/12 from 90/4
1st number: 22 2/4, 2nd number: 3 9/12
90/4 - 45/12 is 75/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
90/4 = 90 × 3/4 × 3 = 270/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
45/12 = 45 × 1/12 × 1 = 45/12 - Subtract the two like fractions:
270/12 - 45/12 = 270 - 45/12 = 225/12 - After reducing the fraction, the answer is 75/4
- In mixed form: 183/4
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