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Compare 70/90 and 6/20

70/90 is greater than 6/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 20 is 180
  2. For the 1st fraction, since 90 × 2 = 180,
    70/90 = 70 × 2/90 × 2 = 140/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    6/20 = 6 × 9/20 × 9 = 54/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 140/180 > 54/180 or 70/90 > 6/20

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