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Subtract 81/32 from 50/72

1st number: 50/72, 2nd number: 2 17/32

50/72 - 81/32 is -529/288.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 32 is 288

    Next, find the equivalent fraction of both fractional numbers with denominator 288
  2. For the 1st fraction, since 72 × 4 = 288,
    50/72 = 50 × 4/72 × 4 = 200/288
  3. Likewise, for the 2nd fraction, since 32 × 9 = 288,
    81/32 = 81 × 9/32 × 9 = 729/288
  4. Subtract the two like fractions:
    200/288 - 729/288 = 200 - 729/288 = -529/288

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