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Subtract 40/9 from 7/4

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

7/4 - 40/9 is -97/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 9 is 36
  2. For the 1st fraction, since 4 × 9 = 36,
    7/4 = 7 × 9/4 × 9 = 63/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    40/9 = 40 × 4/9 × 4 = 160/36
  4. Subtract the two fractions:
    63/36 - 160/36 = 63 - 160/36 = -97/36

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