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Subtract 4/8 from 10/28

10/28 - 4/8 is -1/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 28 × 2 = 56,
    10/28 = 10 × 2/28 × 2 = 20/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    4/8 = 4 × 7/8 × 7 = 28/56
  4. Subtract the two like fractions:
    20/56 - 28/56 = 20 - 28/56 = -8/56
  5. After reducing the fraction, the answer is -1/7

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