Subtract 42/54 from 2/9
2/9 - 42/54 is -5/9.
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,
2/9 = 2 × 6/9 × 6 = 12/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
42/54 = 42 × 1/54 × 1 = 42/54 - Subtract the two like fractions:
12/54 - 42/54 = 12 - 42/54 = -30/54 - After reducing the fraction, the answer is -5/9
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