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Subtract 45/6 from 20/5

1st number: 4 0/5, 2nd number: 7 3/6

20/5 - 45/6 is -7/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 6 is 30
  2. For the 1st fraction, since 5 × 6 = 30,
    20/5 = 20 × 6/5 × 6 = 120/30
  3. Likewise, for the 2nd fraction, since 6 × 5 = 30,
    45/6 = 45 × 5/6 × 5 = 225/30
  4. Subtract the two fractions:
    120/30 - 225/30 = 120 - 225/30 = -105/30
  5. After reducing the fraction, the answer is -7/2

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