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Subtract 2/8 from 20/7

1st number: 2 6/7, 2nd number: 2/8

20/7 - 2/8 is 73/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 8 is 56
  2. For the 1st fraction, since 7 × 8 = 56,
    20/7 = 20 × 8/7 × 8 = 160/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    2/8 = 2 × 7/8 × 7 = 14/56
  4. Subtract the two fractions:
    160/56 - 14/56 = 160 - 14/56 = 146/56
  5. After reducing the fraction, the answer is 73/28
  6. In mixed form: 217/28

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