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Subtract 10/8 from 10/18

1st number: 10/18, 2nd number: 1 2/8

10/18 - 10/8 is -25/36.

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,
    10/18 = 10 × 4/18 × 4 = 40/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    10/8 = 10 × 9/8 × 9 = 90/72
  4. Subtract the two like fractions:
    40/72 - 90/72 = 40 - 90/72 = -50/72
  5. After reducing the fraction, the answer is -25/36

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