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Subtract 90/8 from 10/45

1st number: 10/45, 2nd number: 11 2/8

10/45 - 90/8 is -397/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 8 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 45 × 8 = 360,
    10/45 = 10 × 8/45 × 8 = 80/360
  3. Likewise, for the 2nd fraction, since 8 × 45 = 360,
    90/8 = 90 × 45/8 × 45 = 4050/360
  4. Subtract the two like fractions:
    80/360 - 4050/360 = 80 - 4050/360 = -3970/360
  5. After reducing the fraction, the answer is -397/36

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