Subtract 36/28 from 1/54, Solve 1/54

Subtract 36/28 from 1/54

1^st number: 1/54, 2^nd number: 1 8/28

1/54 - 36/28 is -479/378.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 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 28 × 27 = 756,
36/28 = 36 × 27/28 × 27 = 972/756
Subtract the two like fractions:
14/756 - 972/756 = 14 - 972/756 = -958/756
After reducing the fraction, the answer is -479/378

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