Answers

Compare 45/72 and 84/80

1^st number: 45/72, 2^nd number: 1 4/80

45/72 is smaller than 84/80

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 72 × 10 = 720,
   45/72 = 45 × 10/72 × 10 = 450/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   84/80 = 84 × 9/80 × 9 = 756/720
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 450/720 < 756/720 or 45/72 < 84/80

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