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Subtract 90/25 from 10/8

1st number: 1 2/8, 2nd number: 3 15/25

10/8 - 90/25 is -47/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 25 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 8 × 25 = 200,
    10/8 = 10 × 25/8 × 25 = 250/200
  3. Likewise, for the 2nd fraction, since 25 × 8 = 200,
    90/25 = 90 × 8/25 × 8 = 720/200
  4. Subtract the two like fractions:
    250/200 - 720/200 = 250 - 720/200 = -470/200
  5. After reducing the fraction, the answer is -47/20

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