Answers

Compare 21/4 and 10/8

1^st number: 5 1/4, 2^nd number: 1 2/8

21/4 is greater than 10/8

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 8 is 8
   
   Next, find the equivalent fraction of both fractional numbers with denominator 8
2. For the 1st fraction, since 4 × 2 = 8,
   21/4 = 21 × 2/4 × 2 = 42/8
3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
   10/8 = 10 × 1/8 × 1 = 10/8
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 42/8 > 10/8 or 21/4 > 10/8

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