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Subtract 20/35 from 15/32

15/32 - 20/35 is -23/224.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 35 is 1120

    Next, find the equivalent fraction of both fractional numbers with denominator 1120
  2. For the 1st fraction, since 32 × 35 = 1120,
    15/32 = 15 × 35/32 × 35 = 525/1120
  3. Likewise, for the 2nd fraction, since 35 × 32 = 1120,
    20/35 = 20 × 32/35 × 32 = 640/1120
  4. Subtract the two like fractions:
    525/1120 - 640/1120 = 525 - 640/1120 = -115/1120
  5. After reducing the fraction, the answer is -23/224

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