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Subtract 28/20 from 75/10

1st number: 7 5/10, 2nd number: 1 8/20

75/10 - 28/20 is 61/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 20 is 20
  2. For the 1st fraction, since 10 × 2 = 20,
    75/10 = 75 × 2/10 × 2 = 150/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    28/20 = 28 × 1/20 × 1 = 28/20
  4. Subtract the two fractions:
    150/20 - 28/20 = 150 - 28/20 = 122/20
  5. After reducing the fraction, the answer is 61/10
  6. In mixed form: 61/10

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