Answers

Subtract 18/64 from 18/98

18/98 - 18/64 is -153/1568.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 64 is 3136
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3136
2. For the 1st fraction, since 98 × 32 = 3136,
   18/98 = 18 × 32/98 × 32 = 576/3136
3. Likewise, for the 2nd fraction, since 64 × 49 = 3136,
   18/64 = 18 × 49/64 × 49 = 882/3136
4. Subtract the two like fractions:
   576/3136 - 882/3136 = 576 - 882/3136 = -306/3136
5. After reducing the fraction, the answer is -153/1568

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