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Answers.everydaycalculation.com » Compare fractions

Compare 42/10 and 5/4

1st number: 4 2/10, 2nd number: 1 1/4

42/10 is greater than 5/4

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 4 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 10 × 2 = 20,
    42/10 = 42 × 2/10 × 2 = 84/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    5/4 = 5 × 5/4 × 5 = 25/20
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 84/20 > 25/20 or 42/10 > 5/4

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