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Subtract 15/10 from 28/50

1st number: 28/50, 2nd number: 1 5/10

28/50 - 15/10 is -47/50.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 10 is 50

    Next, find the equivalent fraction of both fractional numbers with denominator 50
  2. For the 1st fraction, since 50 × 1 = 50,
    28/50 = 28 × 1/50 × 1 = 28/50
  3. Likewise, for the 2nd fraction, since 10 × 5 = 50,
    15/10 = 15 × 5/10 × 5 = 75/50
  4. Subtract the two like fractions:
    28/50 - 75/50 = 28 - 75/50 = -47/50

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