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Subtract 27/8 from 8/5

1st number: 1 3/5, 2nd number: 3 3/8

8/5 - 27/8 is -71/40.

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,
    8/5 = 8 × 8/5 × 8 = 64/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    27/8 = 27 × 5/8 × 5 = 135/40
  4. Subtract the two fractions:
    64/40 - 135/40 = 64 - 135/40 = -71/40

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