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Subtract 48/84 from 3/72

3/72 - 48/84 is -89/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 84 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    3/72 = 3 × 7/72 × 7 = 21/504
  3. Likewise, for the 2nd fraction, since 84 × 6 = 504,
    48/84 = 48 × 6/84 × 6 = 288/504
  4. Subtract the two like fractions:
    21/504 - 288/504 = 21 - 288/504 = -267/504
  5. After reducing the fraction, the answer is -89/168

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