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Compare 8/5 and 1/21

1st number: 1 3/5, 2nd number: 1/21

8/5 is greater than 1/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 21 is 105
  2. For the 1st fraction, since 5 × 21 = 105,
    8/5 = 8 × 21/5 × 21 = 168/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    1/21 = 1 × 5/21 × 5 = 5/105
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 168/105 > 5/105 or 8/5 > 1/21

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