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Subtract 1/20 from 90/32

1st number: 2 26/32, 2nd number: 1/20

90/32 - 1/20 is 221/80.

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,
    90/32 = 90 × 5/32 × 5 = 450/160
  3. Likewise, for the 2nd fraction, since 20 × 8 = 160,
    1/20 = 1 × 8/20 × 8 = 8/160
  4. Subtract the two like fractions:
    450/160 - 8/160 = 450 - 8/160 = 442/160
  5. After reducing the fraction, the answer is 221/80
  6. In mixed form: 261/80

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