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Subtract 20/80 from 75/10

1st number: 7 5/10, 2nd number: 20/80

75/10 - 20/80 is 29/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    20/80 = 20 × 1/80 × 1 = 20/80
  4. Subtract the two like fractions:
    600/80 - 20/80 = 600 - 20/80 = 580/80
  5. After reducing the fraction, the answer is 29/4
  6. In mixed form: 71/4

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