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Subtract 5/54 from 90/8

1st number: 11 2/8, 2nd number: 5/54

90/8 - 5/54 is 1205/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 54 is 216
  2. For the 1st fraction, since 8 × 27 = 216,
    90/8 = 90 × 27/8 × 27 = 2430/216
  3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
    5/54 = 5 × 4/54 × 4 = 20/216
  4. Subtract the two fractions:
    2430/216 - 20/216 = 2430 - 20/216 = 2410/216
  5. After reducing the fraction, the answer is 1205/108
  6. In mixed form: 1117/108

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