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Subtract 16/9 from 7/40

1st number: 7/40, 2nd number: 1 7/9

7/40 - 16/9 is -577/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    7/40 = 7 × 9/40 × 9 = 63/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    16/9 = 16 × 40/9 × 40 = 640/360
  4. Subtract the two fractions:
    63/360 - 640/360 = 63 - 640/360 = -577/360

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