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Subtract 15/30 from 8/10

8/10 - 15/30 is 3/10.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 10 × 3 = 30,
    8/10 = 8 × 3/10 × 3 = 24/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    15/30 = 15 × 1/30 × 1 = 15/30
  4. Subtract the two like fractions:
    24/30 - 15/30 = 24 - 15/30 = 9/30
  5. After reducing the fraction, the answer is 3/10

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