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Compare 1/21 and 8/4

1st number: 1/21, 2nd number: 2 0/4

1/21 is smaller than 8/4

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 4 is 84
  2. For the 1st fraction, since 21 × 4 = 84,
    1/21 = 1 × 4/21 × 4 = 4/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    8/4 = 8 × 21/4 × 21 = 168/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 4/84 < 168/84 or 1/21 < 8/4

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