Subtract 28/98 from 1/27, Solve 1/27

Subtract 28/98 from 1/27

1/27 - 28/98 is -47/189.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 98 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 27 × 98 = 2646,
1/27 = 1 × 98/27 × 98 = 98/2646
Likewise, for the 2nd fraction, since 98 × 27 = 2646,
28/98 = 28 × 27/98 × 27 = 756/2646
Subtract the two like fractions:
98/2646 - 756/2646 = 98 - 756/2646 = -658/2646
After reducing the fraction, the answer is -47/189

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