Subtract 42/54 from 5/9
5/9 - 42/54 is -2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 9 × 6 = 54,
5/9 = 5 × 6/9 × 6 = 30/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
42/54 = 42 × 1/54 × 1 = 42/54 - Subtract the two like fractions:
30/54 - 42/54 = 30 - 42/54 = -12/54 - After reducing the fraction, the answer is -2/9
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