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Subtract 35/9 from 40/72

1st number: 40/72, 2nd number: 3 8/9

40/72 - 35/9 is -10/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    40/72 = 40 × 1/72 × 1 = 40/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    35/9 = 35 × 8/9 × 8 = 280/72
  4. Subtract the two like fractions:
    40/72 - 280/72 = 40 - 280/72 = -240/72
  5. After reducing the fraction, the answer is -10/3

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