Answers

Subtract 90/54 from 60/98

1^st number: 60/98, 2^nd number: 1 36/54

60/98 - 90/54 is -155/147.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 54 is 2646
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2646
2. For the 1st fraction, since 98 × 27 = 2646,
   60/98 = 60 × 27/98 × 27 = 1620/2646
3. Likewise, for the 2nd fraction, since 54 × 49 = 2646,
   90/54 = 90 × 49/54 × 49 = 4410/2646
4. Subtract the two like fractions:
   1620/2646 - 4410/2646 = 1620 - 4410/2646 = -2790/2646
5. After reducing the fraction, the answer is -155/147

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