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Subtract 50/90 from 12/8

1st number: 1 4/8, 2nd number: 50/90

12/8 - 50/90 is 17/18.

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,
    12/8 = 12 × 45/8 × 45 = 540/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    50/90 = 50 × 4/90 × 4 = 200/360
  4. Subtract the two like fractions:
    540/360 - 200/360 = 540 - 200/360 = 340/360
  5. After reducing the fraction, the answer is 17/18

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