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Subtract 1/90 from 42/32

1st number: 1 10/32, 2nd number: 1/90

42/32 - 1/90 is 937/720.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 90 is 1440

    Next, find the equivalent fraction of both fractional numbers with denominator 1440
  2. For the 1st fraction, since 32 × 45 = 1440,
    42/32 = 42 × 45/32 × 45 = 1890/1440
  3. Likewise, for the 2nd fraction, since 90 × 16 = 1440,
    1/90 = 1 × 16/90 × 16 = 16/1440
  4. Subtract the two like fractions:
    1890/1440 - 16/1440 = 1890 - 16/1440 = 1874/1440
  5. After reducing the fraction, the answer is 937/720
  6. In mixed form: 1217/720

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