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Subtract 10/54 from 90/12

1st number: 7 6/12, 2nd number: 10/54

90/12 - 10/54 is 395/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 54 is 108
  2. For the 1st fraction, since 12 × 9 = 108,
    90/12 = 90 × 9/12 × 9 = 810/108
  3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
    10/54 = 10 × 2/54 × 2 = 20/108
  4. Subtract the two fractions:
    810/108 - 20/108 = 810 - 20/108 = 790/108
  5. After reducing the fraction, the answer is 395/54
  6. In mixed form: 717/54

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