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Subtract 3/30 from 10/15

10/15 - 3/30 is 17/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 30 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    10/15 = 10 × 2/15 × 2 = 20/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    3/30 = 3 × 1/30 × 1 = 3/30
  4. Subtract the two fractions:
    20/30 - 3/30 = 20 - 3/30 = 17/30

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