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Subtract 18/8 from 1/70

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

1/70 - 18/8 is -313/140.

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,
    1/70 = 1 × 4/70 × 4 = 4/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    18/8 = 18 × 35/8 × 35 = 630/280
  4. Subtract the two fractions:
    4/280 - 630/280 = 4 - 630/280 = -626/280
  5. After reducing the fraction, the answer is -313/140

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