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Subtract 28/20 from 9/32

1st number: 9/32, 2nd number: 1 8/20

9/32 - 28/20 is -179/160.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 20 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 32 × 5 = 160,
    9/32 = 9 × 5/32 × 5 = 45/160
  3. Likewise, for the 2nd fraction, since 20 × 8 = 160,
    28/20 = 28 × 8/20 × 8 = 224/160
  4. Subtract the two like fractions:
    45/160 - 224/160 = 45 - 224/160 = -179/160

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