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Compare 2/12 and 21/70

2/12 is smaller than 21/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 70 is 420
  2. For the 1st fraction, since 12 × 35 = 420,
    2/12 = 2 × 35/12 × 35 = 70/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    21/70 = 21 × 6/70 × 6 = 126/420
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 70/420 < 126/420 or 2/12 < 21/70

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