Answers

Subtract 70/98 from 2/54

2/54 - 70/98 is -128/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 98 is 2646
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2646
2. For the 1st fraction, since 54 × 49 = 2646,
   2/54 = 2 × 49/54 × 49 = 98/2646
3. Likewise, for the 2nd fraction, since 98 × 27 = 2646,
   70/98 = 70 × 27/98 × 27 = 1890/2646
4. Subtract the two like fractions:
   98/2646 - 1890/2646 = 98 - 1890/2646 = -1792/2646
5. After reducing the fraction, the answer is -128/189

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