Subtract 6/84 from 1/54, Solve 1/54

Subtract 6/84 from 1/54

1/54 - 6/84 is -10/189.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 54 × 14 = 756,
1/54 = 1 × 14/54 × 14 = 14/756
Likewise, for the 2nd fraction, since 84 × 9 = 756,
6/84 = 6 × 9/84 × 9 = 54/756
Subtract the two like fractions:
14/756 - 54/756 = 14 - 54/756 = -40/756
After reducing the fraction, the answer is -10/189

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