Subtract 6/42 from 1/54
1/54 - 6/42 is -47/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
1/54 = 1 × 7/54 × 7 = 7/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
6/42 = 6 × 9/42 × 9 = 54/378 - Subtract the two like fractions:
7/378 - 54/378 = 7 - 54/378 = -47/378
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