Answers

Subtract 56/98 from 15/54

15/54 - 56/98 is -37/126.

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,
   15/54 = 15 × 49/54 × 49 = 735/2646
3. Likewise, for the 2nd fraction, since 98 × 27 = 2646,
   56/98 = 56 × 27/98 × 27 = 1512/2646
4. Subtract the two like fractions:
   735/2646 - 1512/2646 = 735 - 1512/2646 = -777/2646
5. After reducing the fraction, the answer is -37/126

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