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Subtract 5/90 from 28/8

1st number: 3 4/8, 2nd number: 5/90

28/8 - 5/90 is 31/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    28/8 = 28 × 45/8 × 45 = 1260/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    5/90 = 5 × 4/90 × 4 = 20/360
  4. Subtract the two like fractions:
    1260/360 - 20/360 = 1260 - 20/360 = 1240/360
  5. After reducing the fraction, the answer is 31/9
  6. In mixed form: 34/9

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