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Compare 3/7 and 8/20

3/7 is greater than 8/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 20 is 140
  2. For the 1st fraction, since 7 × 20 = 140,
    3/7 = 3 × 20/7 × 20 = 60/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    8/20 = 8 × 7/20 × 7 = 56/140
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 60/140 > 56/140 or 3/7 > 8/20

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