Subtract 18/27 from 28/98
28/98 - 18/27 is -8/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 27 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 98 × 27 = 2646,
28/98 = 28 × 27/98 × 27 = 756/2646 - Likewise, for the 2nd fraction, since 27 × 98 = 2646,
18/27 = 18 × 98/27 × 98 = 1764/2646 - Subtract the two like fractions:
756/2646 - 1764/2646 = 756 - 1764/2646 = -1008/2646 - After reducing the fraction, the answer is -8/21
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