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Subtract 9/8 from 40/10

1st number: 4 0/10, 2nd number: 1 1/8

40/10 - 9/8 is 23/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 8 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    40/10 = 40 × 4/10 × 4 = 160/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    9/8 = 9 × 5/8 × 5 = 45/40
  4. Subtract the two fractions:
    160/40 - 45/40 = 160 - 45/40 = 115/40
  5. After reducing the fraction, the answer is 23/8
  6. In mixed form: 27/8

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