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Subtract 5/8 from 9/5

1st number: 1 4/5, 2nd number: 5/8

9/5 - 5/8 is 47/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 8 is 40
  2. For the 1st fraction, since 5 × 8 = 40,
    9/5 = 9 × 8/5 × 8 = 72/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    5/8 = 5 × 5/8 × 5 = 25/40
  4. Subtract the two fractions:
    72/40 - 25/40 = 72 - 25/40 = 47/40
  5. In mixed form: 17/40

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