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Subtract 9/7 from 18/75

1st number: 18/75, 2nd number: 1 2/7

18/75 - 9/7 is -183/175.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 7 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 75 × 7 = 525,
    18/75 = 18 × 7/75 × 7 = 126/525
  3. Likewise, for the 2nd fraction, since 7 × 75 = 525,
    9/7 = 9 × 75/7 × 75 = 675/525
  4. Subtract the two like fractions:
    126/525 - 675/525 = 126 - 675/525 = -549/525
  5. After reducing the fraction, the answer is -183/175

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