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Subtract 28/80 from 75/10

1st number: 7 5/10, 2nd number: 28/80

75/10 - 28/80 is 143/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 80 is 80
  2. For the 1st fraction, since 10 × 8 = 80,
    75/10 = 75 × 8/10 × 8 = 600/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    28/80 = 28 × 1/80 × 1 = 28/80
  4. Subtract the two fractions:
    600/80 - 28/80 = 600 - 28/80 = 572/80
  5. After reducing the fraction, the answer is 143/20
  6. In mixed form: 73/20

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