Answers

Compare 2/4 and 5/21

2/4 is greater than 5/21

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 4 × 21 = 84,
   2/4 = 2 × 21/4 × 21 = 42/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   5/21 = 5 × 4/21 × 4 = 20/84
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 42/84 > 20/84 or 2/4 > 5/21

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