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Subtract 5/90 from 10/8

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

10/8 - 5/90 is 43/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360
  2. For the 1st fraction, since 8 × 45 = 360,
    10/8 = 10 × 45/8 × 45 = 450/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    5/90 = 5 × 4/90 × 4 = 20/360
  4. Subtract the two fractions:
    450/360 - 20/360 = 450 - 20/360 = 430/360
  5. After reducing the fraction, the answer is 43/36
  6. In mixed form: 17/36

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