Subtract 18/12 from 81/3
1st number: 27 0/3, 2nd number: 1 6/12
81/3 - 18/12 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,
81/3 = 81 × 4/3 × 4 = 324/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
18/12 = 18 × 1/12 × 1 = 18/12 - Subtract the two like fractions:
324/12 - 18/12 = 324 - 18/12 = 306/12 - After reducing the fraction, the answer is 51/2
- In mixed form: 251/2
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