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Subtract 9/80 from 35/20

1st number: 1 15/20, 2nd number: 9/80

35/20 - 9/80 is 131/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    35/20 = 35 × 4/20 × 4 = 140/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    9/80 = 9 × 1/80 × 1 = 9/80
  4. Subtract the two like fractions:
    140/80 - 9/80 = 140 - 9/80 = 131/80
  5. In mixed form: 151/80

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