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Subtract 90/5 from 9/28

1st number: 9/28, 2nd number: 18 0/5

9/28 - 90/5 is -495/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 5 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    9/28 = 9 × 5/28 × 5 = 45/140
  3. Likewise, for the 2nd fraction, since 5 × 28 = 140,
    90/5 = 90 × 28/5 × 28 = 2520/140
  4. Subtract the two like fractions:
    45/140 - 2520/140 = 45 - 2520/140 = -2475/140
  5. After reducing the fraction, the answer is -495/28

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