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Subtract 40/14 from 20/9

1st number: 2 2/9, 2nd number: 2 12/14

20/9 - 40/14 is -40/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 14 is 126
  2. For the 1st fraction, since 9 × 14 = 126,
    20/9 = 20 × 14/9 × 14 = 280/126
  3. Likewise, for the 2nd fraction, since 14 × 9 = 126,
    40/14 = 40 × 9/14 × 9 = 360/126
  4. Subtract the two fractions:
    280/126 - 360/126 = 280 - 360/126 = -80/126
  5. After reducing the fraction, the answer is -40/63

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