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Subtract 45/70 from 8/5

1st number: 1 3/5, 2nd number: 45/70

8/5 - 45/70 is 67/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 70 is 70
  2. For the 1st fraction, since 5 × 14 = 70,
    8/5 = 8 × 14/5 × 14 = 112/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    45/70 = 45 × 1/70 × 1 = 45/70
  4. Subtract the two fractions:
    112/70 - 45/70 = 112 - 45/70 = 67/70

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