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Compare 21/20 and 7/9

1st number: 1 1/20, 2nd number: 7/9

21/20 is greater than 7/9

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180
  2. For the 1st fraction, since 20 × 9 = 180,
    21/20 = 21 × 9/20 × 9 = 189/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    7/9 = 7 × 20/9 × 20 = 140/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 189/180 > 140/180 or 21/20 > 7/9

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