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Subtract 25/84 from 20/24

20/24 - 25/84 is 15/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 84 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 24 × 7 = 168,
    20/24 = 20 × 7/24 × 7 = 140/168
  3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
    25/84 = 25 × 2/84 × 2 = 50/168
  4. Subtract the two like fractions:
    140/168 - 50/168 = 140 - 50/168 = 90/168
  5. After reducing the fraction, the answer is 15/28

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