Answers

Compare 5/21 and 8/54

5/21 is greater than 8/54

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 21 × 18 = 378,
   5/21 = 5 × 18/21 × 18 = 90/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   8/54 = 8 × 7/54 × 7 = 56/378
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 90/378 > 56/378 or 5/21 > 8/54

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