Answers

Compare 21/18 and 48/80

1^st number: 1 3/18, 2^nd number: 48/80

21/18 is greater than 48/80

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 80 is 720
2. For the 1st fraction, since 18 × 40 = 720,
   21/18 = 21 × 40/18 × 40 = 840/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   48/80 = 48 × 9/80 × 9 = 432/720
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 840/720 > 432/720 or 21/18 > 48/80

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