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Subtract 50/30 from 28/45

1st number: 28/45, 2nd number: 1 20/30

28/45 - 50/30 is -47/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    28/45 = 28 × 2/45 × 2 = 56/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    50/30 = 50 × 3/30 × 3 = 150/90
  4. Subtract the two like fractions:
    56/90 - 150/90 = 56 - 150/90 = -94/90
  5. After reducing the fraction, the answer is -47/45

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