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Subtract 21/35 from 7/75

7/75 - 21/35 is -38/75.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 35 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 75 × 7 = 525,
    7/75 = 7 × 7/75 × 7 = 49/525
  3. Likewise, for the 2nd fraction, since 35 × 15 = 525,
    21/35 = 21 × 15/35 × 15 = 315/525
  4. Subtract the two like fractions:
    49/525 - 315/525 = 49 - 315/525 = -266/525
  5. After reducing the fraction, the answer is -38/75

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