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Subtract 7/90 from 35/2

1st number: 17 1/2, 2nd number: 7/90

35/2 - 7/90 is 784/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 2 × 45 = 90,
    35/2 = 35 × 45/2 × 45 = 1575/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    7/90 = 7 × 1/90 × 1 = 7/90
  4. Subtract the two like fractions:
    1575/90 - 7/90 = 1575 - 7/90 = 1568/90
  5. After reducing the fraction, the answer is 784/45
  6. In mixed form: 1719/45

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