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Subtract 20/28 from 75/80

75/80 - 20/28 is 25/112.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 28 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    75/80 = 75 × 7/80 × 7 = 525/560
  3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
    20/28 = 20 × 20/28 × 20 = 400/560
  4. Subtract the two like fractions:
    525/560 - 400/560 = 525 - 400/560 = 125/560
  5. After reducing the fraction, the answer is 25/112

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