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Subtract 18/35 from 81/8

1st number: 10 1/8, 2nd number: 18/35

81/8 - 18/35 is 2691/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 35 is 280
  2. For the 1st fraction, since 8 × 35 = 280,
    81/8 = 81 × 35/8 × 35 = 2835/280
  3. Likewise, for the 2nd fraction, since 35 × 8 = 280,
    18/35 = 18 × 8/35 × 8 = 144/280
  4. Subtract the two fractions:
    2835/280 - 144/280 = 2835 - 144/280 = 2691/280
  5. In mixed form: 9171/280

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