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Answers.everydaycalculation.com » Compare fractions

Compare 70/72 and 20/63

70/72 is greater than 20/63

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 63 is 504
  2. For the 1st fraction, since 72 × 7 = 504,
    70/72 = 70 × 7/72 × 7 = 490/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    20/63 = 20 × 8/63 × 8 = 160/504
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 490/504 > 160/504 or 70/72 > 20/63

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