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Compare 5/12 and 20/90

5/12 is greater than 20/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180
  2. For the 1st fraction, since 12 × 15 = 180,
    5/12 = 5 × 15/12 × 15 = 75/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    20/90 = 20 × 2/90 × 2 = 40/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 75/180 > 40/180 or 5/12 > 20/90

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