Answers

Compare 21/80 and 50/20

1^st number: 21/80, 2^nd number: 2 10/20

21/80 is smaller than 50/20

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 20 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   21/80 = 21 × 1/80 × 1 = 21/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   50/20 = 50 × 4/20 × 4 = 200/80
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 21/80 < 200/80 or 21/80 < 50/20

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