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Answers.everydaycalculation.com » Compare fractions

Compare 40/45 and 18/70

40/45 is greater than 18/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    40/45 = 40 × 14/45 × 14 = 560/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    18/70 = 18 × 9/70 × 9 = 162/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 560/630 > 162/630 or 40/45 > 18/70

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