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Subtract 40/84 from 45/25

1st number: 1 20/25, 2nd number: 40/84

45/25 - 40/84 is 139/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 84 is 2100
  2. For the 1st fraction, since 25 × 84 = 2100,
    45/25 = 45 × 84/25 × 84 = 3780/2100
  3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
    40/84 = 40 × 25/84 × 25 = 1000/2100
  4. Subtract the two fractions:
    3780/2100 - 1000/2100 = 3780 - 1000/2100 = 2780/2100
  5. After reducing the fraction, the answer is 139/105
  6. In mixed form: 134/105

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