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Subtract 18/12 from 18/10

1st number: 1 8/10, 2nd number: 1 6/12

18/10 - 18/12 is 3/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 10 × 6 = 60,
    18/10 = 18 × 6/10 × 6 = 108/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    18/12 = 18 × 5/12 × 5 = 90/60
  4. Subtract the two like fractions:
    108/60 - 90/60 = 108 - 90/60 = 18/60
  5. After reducing the fraction, the answer is 3/10

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