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Subtract 15/8 from 32/9

1st number: 3 5/9, 2nd number: 1 7/8

32/9 - 15/8 is 121/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    32/9 = 32 × 8/9 × 8 = 256/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    15/8 = 15 × 9/8 × 9 = 135/72
  4. Subtract the two like fractions:
    256/72 - 135/72 = 256 - 135/72 = 121/72
  5. In mixed form: 149/72

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