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Subtract 40/42 from 40/9

1st number: 4 4/9, 2nd number: 40/42

40/9 - 40/42 is 220/63.

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,
    40/9 = 40 × 14/9 × 14 = 560/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    40/42 = 40 × 3/42 × 3 = 120/126
  4. Subtract the two like fractions:
    560/126 - 120/126 = 560 - 120/126 = 440/126
  5. After reducing the fraction, the answer is 220/63
  6. In mixed form: 331/63

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