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Subtract 30/75 from 27/28

27/28 - 30/75 is 79/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 75 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 28 × 75 = 2100,
    27/28 = 27 × 75/28 × 75 = 2025/2100
  3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
    30/75 = 30 × 28/75 × 28 = 840/2100
  4. Subtract the two like fractions:
    2025/2100 - 840/2100 = 2025 - 840/2100 = 1185/2100
  5. After reducing the fraction, the answer is 79/140

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