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Answers.everydaycalculation.com » Compare fractions

Compare 42/20 and 28/64

1st number: 2 2/20, 2nd number: 28/64

42/20 is greater than 28/64

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 20 × 16 = 320,
    42/20 = 42 × 16/20 × 16 = 672/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    28/64 = 28 × 5/64 × 5 = 140/320
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 672/320 > 140/320 or 42/20 > 28/64

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