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Subtract 3/72 from 81/25

1st number: 3 6/25, 2nd number: 3/72

81/25 - 3/72 is 1919/600.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 72 is 1800

    Next, find the equivalent fraction of both fractional numbers with denominator 1800
  2. For the 1st fraction, since 25 × 72 = 1800,
    81/25 = 81 × 72/25 × 72 = 5832/1800
  3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
    3/72 = 3 × 25/72 × 25 = 75/1800
  4. Subtract the two like fractions:
    5832/1800 - 75/1800 = 5832 - 75/1800 = 5757/1800
  5. After reducing the fraction, the answer is 1919/600
  6. In mixed form: 3119/600

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