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Subtract 9/54 from 90/63

1st number: 1 27/63, 2nd number: 9/54

90/63 - 9/54 is 53/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 54 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 63 × 6 = 378,
    90/63 = 90 × 6/63 × 6 = 540/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    9/54 = 9 × 7/54 × 7 = 63/378
  4. Subtract the two like fractions:
    540/378 - 63/378 = 540 - 63/378 = 477/378
  5. After reducing the fraction, the answer is 53/42
  6. In mixed form: 111/42

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