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Subtract 3/15 from 18/10

1st number: 1 8/10, 2nd number: 3/15

18/10 - 3/15 is 8/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 15 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 10 × 3 = 30,
    18/10 = 18 × 3/10 × 3 = 54/30
  3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
    3/15 = 3 × 2/15 × 2 = 6/30
  4. Subtract the two like fractions:
    54/30 - 6/30 = 54 - 6/30 = 48/30
  5. After reducing the fraction, the answer is 8/5
  6. In mixed form: 13/5

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