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Answers.everydaycalculation.com » Compare fractions

Compare 20/63 and 18/40

20/63 is smaller than 18/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 40 is 2520
  2. For the 1st fraction, since 63 × 40 = 2520,
    20/63 = 20 × 40/63 × 40 = 800/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    18/40 = 18 × 63/40 × 63 = 1134/2520
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 800/2520 < 1134/2520 or 20/63 < 18/40

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