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Subtract 45/84 from 36/20

1st number: 1 16/20, 2nd number: 45/84

36/20 - 45/84 is 177/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420
  2. For the 1st fraction, since 20 × 21 = 420,
    36/20 = 36 × 21/20 × 21 = 756/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    45/84 = 45 × 5/84 × 5 = 225/420
  4. Subtract the two fractions:
    756/420 - 225/420 = 756 - 225/420 = 531/420
  5. After reducing the fraction, the answer is 177/140
  6. In mixed form: 137/140

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