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Subtract 21/18 from 8/2

1st number: 4 0/2, 2nd number: 1 3/18

8/2 - 21/18 is 17/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 18 is 18
  2. For the 1st fraction, since 2 × 9 = 18,
    8/2 = 8 × 9/2 × 9 = 72/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    21/18 = 21 × 1/18 × 1 = 21/18
  4. Subtract the two fractions:
    72/18 - 21/18 = 72 - 21/18 = 51/18
  5. After reducing the fraction, the answer is 17/6
  6. In mixed form: 25/6

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