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Answers.everydaycalculation.com » Compare fractions

Compare 70/48 and 40/21

1st number: 1 22/48, 2nd number: 1 19/21

70/48 is smaller than 40/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 21 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 48 × 7 = 336,
    70/48 = 70 × 7/48 × 7 = 490/336
  3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
    40/21 = 40 × 16/21 × 16 = 640/336
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 490/336 < 640/336 or 70/48 < 40/21

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