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Subtract 1/10 from 9/15

9/15 - 1/10 is 1/2.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 15 × 2 = 30,
    9/15 = 9 × 2/15 × 2 = 18/30
  3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
    1/10 = 1 × 3/10 × 3 = 3/30
  4. Subtract the two like fractions:
    18/30 - 3/30 = 18 - 3/30 = 15/30
  5. After reducing the fraction, the answer is 1/2

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