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Subtract 3/42 from 49/9

1st number: 5 4/9, 2nd number: 3/42

49/9 - 3/42 is 677/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 42 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 9 × 14 = 126,
    49/9 = 49 × 14/9 × 14 = 686/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    3/42 = 3 × 3/42 × 3 = 9/126
  4. Subtract the two like fractions:
    686/126 - 9/126 = 686 - 9/126 = 677/126
  5. In mixed form: 547/126

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