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Subtract 20/7 from 18/2

1st number: 9 0/2, 2nd number: 2 6/7

18/2 - 20/7 is 43/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 7 is 14
  2. For the 1st fraction, since 2 × 7 = 14,
    18/2 = 18 × 7/2 × 7 = 126/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    20/7 = 20 × 2/7 × 2 = 40/14
  4. Subtract the two fractions:
    126/14 - 40/14 = 126 - 40/14 = 86/14
  5. After reducing the fraction, the answer is 43/7
  6. In mixed form: 61/7

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