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Subtract 30/10 from 8/70

1st number: 8/70, 2nd number: 3 0/10

8/70 - 30/10 is -101/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 10 is 70
  2. For the 1st fraction, since 70 × 1 = 70,
    8/70 = 8 × 1/70 × 1 = 8/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    30/10 = 30 × 7/10 × 7 = 210/70
  4. Subtract the two fractions:
    8/70 - 210/70 = 8 - 210/70 = -202/70
  5. After reducing the fraction, the answer is -101/35

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