Subtract 54/12 from 90/3
1st number: 30 0/3, 2nd number: 4 6/12
90/3 - 54/12 is 51/2.
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,
54/12 = 54 × 1/12 × 1 = 54/12 - Subtract the two like fractions:
360/12 - 54/12 = 360 - 54/12 = 306/12 - After reducing the fraction, the answer is 51/2
- In mixed form: 251/2
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