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Subtract 15/27 from 7/15

7/15 - 15/27 is -4/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 27 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 15 × 9 = 135,
    7/15 = 7 × 9/15 × 9 = 63/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    15/27 = 15 × 5/27 × 5 = 75/135
  4. Subtract the two like fractions:
    63/135 - 75/135 = 63 - 75/135 = -12/135
  5. After reducing the fraction, the answer is -4/45

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