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Subtract 9/18 from 90/75

1st number: 1 15/75, 2nd number: 9/18

90/75 - 9/18 is 7/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 18 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 75 × 6 = 450,
    90/75 = 90 × 6/75 × 6 = 540/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    9/18 = 9 × 25/18 × 25 = 225/450
  4. Subtract the two like fractions:
    540/450 - 225/450 = 540 - 225/450 = 315/450
  5. After reducing the fraction, the answer is 7/10

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