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Subtract 9/8 from 8/70

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

8/70 - 9/8 is -283/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 is 280
  2. For the 1st fraction, since 70 × 4 = 280,
    8/70 = 8 × 4/70 × 4 = 32/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    9/8 = 9 × 35/8 × 35 = 315/280
  4. Subtract the two fractions:
    32/280 - 315/280 = 32 - 315/280 = -283/280

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