Subtract 30/54 from 1/2
1/2 - 30/54 is -1/18.
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,
1/2 = 1 × 27/2 × 27 = 27/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
30/54 = 30 × 1/54 × 1 = 30/54 - Subtract the two like fractions:
27/54 - 30/54 = 27 - 30/54 = -3/54 - After reducing the fraction, the answer is -1/18
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