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Compare 12/24 and 21/70

12/24 is greater than 21/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 70 is 840
  2. For the 1st fraction, since 24 × 35 = 840,
    12/24 = 12 × 35/24 × 35 = 420/840
  3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
    21/70 = 21 × 12/70 × 12 = 252/840
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 420/840 > 252/840 or 12/24 > 21/70

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