Answers

Compare 21/4 and 2/7

1^st number: 5 1/4, 2^nd number: 2/7

21/4 is greater than 2/7

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 7 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 4 × 7 = 28,
   21/4 = 21 × 7/4 × 7 = 147/28
3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
   2/7 = 2 × 4/7 × 4 = 8/28
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 147/28 > 8/28 or 21/4 > 2/7

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