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Subtract 90/8 from 2/18

1st number: 2/18, 2nd number: 11 2/8

2/18 - 90/8 is -401/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 18 × 4 = 72,
    2/18 = 2 × 4/18 × 4 = 8/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    90/8 = 90 × 9/8 × 9 = 810/72
  4. Subtract the two like fractions:
    8/72 - 810/72 = 8 - 810/72 = -802/72
  5. After reducing the fraction, the answer is -401/36

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