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Compare 4/21 and 9/70

4/21 is greater than 9/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 70 is 210
  2. For the 1st fraction, since 21 × 10 = 210,
    4/21 = 4 × 10/21 × 10 = 40/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    9/70 = 9 × 3/70 × 3 = 27/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 40/210 > 27/210 or 4/21 > 9/70

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