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Subtract 45/84 from 20/5

1st number: 4 0/5, 2nd number: 45/84

20/5 - 45/84 is 97/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 84 is 420
  2. For the 1st fraction, since 5 × 84 = 420,
    20/5 = 20 × 84/5 × 84 = 1680/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    45/84 = 45 × 5/84 × 5 = 225/420
  4. Subtract the two fractions:
    1680/420 - 225/420 = 1680 - 225/420 = 1455/420
  5. After reducing the fraction, the answer is 97/28
  6. In mixed form: 313/28

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