Subtract 12/54 from 21/2
1st number: 10 1/2, 2nd number: 12/54
21/2 - 12/54 is 185/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
21/2 = 21 × 27/2 × 27 = 567/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
12/54 = 12 × 1/54 × 1 = 12/54 - Subtract the two like fractions:
567/54 - 12/54 = 567 - 12/54 = 555/54 - After reducing the fraction, the answer is 185/18
- In mixed form: 105/18
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