Answers

Compare 8/21 and 3/81

8/21 is greater than 3/81

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 21 × 27 = 567,
   8/21 = 8 × 27/21 × 27 = 216/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   3/81 = 3 × 7/81 × 7 = 21/567
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 216/567 > 21/567 or 8/21 > 3/81

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