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Subtract 10/80 from 70/4

1st number: 17 2/4, 2nd number: 10/80

70/4 - 10/80 is 139/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 4 × 20 = 80,
    70/4 = 70 × 20/4 × 20 = 1400/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    10/80 = 10 × 1/80 × 1 = 10/80
  4. Subtract the two like fractions:
    1400/80 - 10/80 = 1400 - 10/80 = 1390/80
  5. After reducing the fraction, the answer is 139/8
  6. In mixed form: 173/8

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