Subtract 21/54 from 18/2
1st number: 9 0/2, 2nd number: 21/54
18/2 - 21/54 is 155/18.
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,
18/2 = 18 × 27/2 × 27 = 486/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Subtract the two like fractions:
486/54 - 21/54 = 486 - 21/54 = 465/54 - After reducing the fraction, the answer is 155/18
- In mixed form: 811/18
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