Answers

Compare 21/20 and 8/63

1^st number: 1 1/20, 2^nd number: 8/63

21/20 is greater than 8/63

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   21/20 = 21 × 63/20 × 63 = 1323/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   8/63 = 8 × 20/63 × 20 = 160/1260
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 1323/1260 > 160/1260 or 21/20 > 8/63

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