Answers

Subtract 3/98 from 20/54

20/54 - 3/98 is 899/2646.

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,
   20/54 = 20 × 49/54 × 49 = 980/2646
3. Likewise, for the 2nd fraction, since 98 × 27 = 2646,
   3/98 = 3 × 27/98 × 27 = 81/2646
4. Subtract the two like fractions:
   980/2646 - 81/2646 = 980 - 81/2646 = 899/2646

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