Answers

Subtract 21/27 from 84/98

84/98 - 21/27 is 5/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 27 is 2646
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2646
2. For the 1st fraction, since 98 × 27 = 2646,
   84/98 = 84 × 27/98 × 27 = 2268/2646
3. Likewise, for the 2nd fraction, since 27 × 98 = 2646,
   21/27 = 21 × 98/27 × 98 = 2058/2646
4. Subtract the two like fractions:
   2268/2646 - 2058/2646 = 2268 - 2058/2646 = 210/2646
5. After reducing the fraction, the answer is 5/63

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