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Compare 2/7 and 21/70

2/7 is smaller than 21/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 70 is 70
  2. For the 1st fraction, since 7 × 10 = 70,
    2/7 = 2 × 10/7 × 10 = 20/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    21/70 = 21 × 1/70 × 1 = 21/70
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 20/70 < 21/70 or 2/7 < 21/70

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