Subtract 15/12 from 90/3
1st number: 30 0/3, 2nd number: 1 3/12
90/3 - 15/12 is 115/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 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 12 × 1 = 12,
15/12 = 15 × 1/12 × 1 = 15/12 - Subtract the two like fractions:
360/12 - 15/12 = 360 - 15/12 = 345/12 - After reducing the fraction, the answer is 115/4
- In mixed form: 283/4
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