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Compare 7/42 and 6/20

7/42 is smaller than 6/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 20 is 420
  2. For the 1st fraction, since 42 × 10 = 420,
    7/42 = 7 × 10/42 × 10 = 70/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    6/20 = 6 × 21/20 × 21 = 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 7/42 < 6/20

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