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Subtract 8/6 from 30/70

1st number: 30/70, 2nd number: 1 2/6

30/70 - 8/6 is -19/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 6 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    30/70 = 30 × 3/70 × 3 = 90/210
  3. Likewise, for the 2nd fraction, since 6 × 35 = 210,
    8/6 = 8 × 35/6 × 35 = 280/210
  4. Subtract the two fractions:
    90/210 - 280/210 = 90 - 280/210 = -190/210
  5. After reducing the fraction, the answer is -19/21

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