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Subtract 3/7 from 6/15

6/15 - 3/7 is -1/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    6/15 = 6 × 7/15 × 7 = 42/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    3/7 = 3 × 15/7 × 15 = 45/105
  4. Subtract the two like fractions:
    42/105 - 45/105 = 42 - 45/105 = -3/105
  5. After reducing the fraction, the answer is -1/35

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