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Compare 21/20 and 7/18

1st number: 1 1/20, 2nd number: 7/18

21/20 is greater than 7/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 18 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 18 × 10 = 180,
    7/18 = 7 × 10/18 × 10 = 70/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 189/180 > 70/180 or 21/20 > 7/18

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