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Subtract 2/81 from 70/25

1st number: 2 20/25, 2nd number: 2/81

70/25 - 2/81 is 1124/405.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 81 is 2025

    Next, find the equivalent fraction of both fractional numbers with denominator 2025
  2. For the 1st fraction, since 25 × 81 = 2025,
    70/25 = 70 × 81/25 × 81 = 5670/2025
  3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
    2/81 = 2 × 25/81 × 25 = 50/2025
  4. Subtract the two like fractions:
    5670/2025 - 50/2025 = 5670 - 50/2025 = 5620/2025
  5. After reducing the fraction, the answer is 1124/405
  6. In mixed form: 2314/405

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