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Subtract 7/8 from 24/84

24/84 - 7/8 is -33/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 8 is 168
  2. For the 1st fraction, since 84 × 2 = 168,
    24/84 = 24 × 2/84 × 2 = 48/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    7/8 = 7 × 21/8 × 21 = 147/168
  4. Subtract the two fractions:
    48/168 - 147/168 = 48 - 147/168 = -99/168
  5. After reducing the fraction, the answer is -33/56

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