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Subtract 5/21 from 70/75

70/75 - 5/21 is 73/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 21 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 75 × 7 = 525,
    70/75 = 70 × 7/75 × 7 = 490/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    5/21 = 5 × 25/21 × 25 = 125/525
  4. Subtract the two like fractions:
    490/525 - 125/525 = 490 - 125/525 = 365/525
  5. After reducing the fraction, the answer is 73/105

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