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Compare 7/9 and 72/80

7/9 is smaller than 72/80

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 80 is 720
  2. For the 1st fraction, since 9 × 80 = 720,
    7/9 = 7 × 80/9 × 80 = 560/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    72/80 = 72 × 9/80 × 9 = 648/720
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 560/720 < 648/720 or 7/9 < 72/80

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