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Subtract 18/70 from 81/8

1st number: 10 1/8, 2nd number: 18/70

81/8 - 18/70 is 2763/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 70 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 70 × 4 = 280,
    18/70 = 18 × 4/70 × 4 = 72/280
  4. Subtract the two fractions:
    2835/280 - 72/280 = 2835 - 72/280 = 2763/280
  5. In mixed form: 9243/280

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