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Compare 3/21 and 1/8

3/21 is greater than 1/8

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    3/21 = 3 × 8/21 × 8 = 24/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    1/8 = 1 × 21/8 × 21 = 21/168
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 24/168 > 21/168 or 3/21 > 1/8

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