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Compare 4/21 and 36/20

1st number: 4/21, 2nd number: 1 16/20

4/21 is smaller than 36/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 20 is 420
  2. For the 1st fraction, since 21 × 20 = 420,
    4/21 = 4 × 20/21 × 20 = 80/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    36/20 = 36 × 21/20 × 21 = 756/420
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 80/420 < 756/420 or 4/21 < 36/20

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