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Subtract 15/16 from 3/45

3/45 - 15/16 is -209/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 16 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 45 × 16 = 720,
    3/45 = 3 × 16/45 × 16 = 48/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    15/16 = 15 × 45/16 × 45 = 675/720
  4. Subtract the two like fractions:
    48/720 - 675/720 = 48 - 675/720 = -627/720
  5. After reducing the fraction, the answer is -209/240

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