Answers

Compare 21/5 and 40/20

1^st number: 4 1/5, 2^nd number: 2 0/20

21/5 is greater than 40/20

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 5 × 4 = 20,
   21/5 = 21 × 4/5 × 4 = 84/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   40/20 = 40 × 1/20 × 1 = 40/20
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 84/20 > 40/20 or 21/5 > 40/20

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