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Answers.everydaycalculation.com » Compare fractions

Compare 9/42 and 40/10

1st number: 9/42, 2nd number: 4 0/10

9/42 is smaller than 40/10

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 10 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    9/42 = 9 × 5/42 × 5 = 45/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    40/10 = 40 × 21/10 × 21 = 840/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 45/210 < 840/210 or 9/42 < 40/10

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