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Subtract 30/5 from 7/90

1st number: 7/90, 2nd number: 6 0/5

7/90 - 30/5 is -533/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 5 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    7/90 = 7 × 1/90 × 1 = 7/90
  3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
    30/5 = 30 × 18/5 × 18 = 540/90
  4. Subtract the two like fractions:
    7/90 - 540/90 = 7 - 540/90 = -533/90

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