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Subtract 6/48 from 3/45

3/45 - 6/48 is -7/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 48 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 48 × 15 = 720,
    6/48 = 6 × 15/48 × 15 = 90/720
  4. Subtract the two like fractions:
    48/720 - 90/720 = 48 - 90/720 = -42/720
  5. After reducing the fraction, the answer is -7/120

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