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Subtract 20/70 from 8/6

1st number: 1 2/6, 2nd number: 20/70

8/6 - 20/70 is 22/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 70 is 210
  2. For the 1st fraction, since 6 × 35 = 210,
    8/6 = 8 × 35/6 × 35 = 280/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    20/70 = 20 × 3/70 × 3 = 60/210
  4. Subtract the two fractions:
    280/210 - 60/210 = 280 - 60/210 = 220/210
  5. After reducing the fraction, the answer is 22/21
  6. In mixed form: 11/21

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