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Subtract 25/80 from 70/20

1st number: 3 10/20, 2nd number: 25/80

70/20 - 25/80 is 51/16.

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,
    70/20 = 70 × 4/20 × 4 = 280/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    25/80 = 25 × 1/80 × 1 = 25/80
  4. Subtract the two like fractions:
    280/80 - 25/80 = 280 - 25/80 = 255/80
  5. After reducing the fraction, the answer is 51/16
  6. In mixed form: 33/16

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