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Subtract 1/8 from 21/9

1st number: 2 3/9, 2nd number: 1/8

21/9 - 1/8 is 53/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 8 is 72
  2. For the 1st fraction, since 9 × 8 = 72,
    21/9 = 21 × 8/9 × 8 = 168/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    1/8 = 1 × 9/8 × 9 = 9/72
  4. Subtract the two fractions:
    168/72 - 9/72 = 168 - 9/72 = 159/72
  5. After reducing the fraction, the answer is 53/24
  6. In mixed form: 25/24

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