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Subtract 1/20 from 70/4

1st number: 17 2/4, 2nd number: 1/20

70/4 - 1/20 is 349/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 20 is 20
  2. For the 1st fraction, since 4 × 5 = 20,
    70/4 = 70 × 5/4 × 5 = 350/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    1/20 = 1 × 1/20 × 1 = 1/20
  4. Subtract the two fractions:
    350/20 - 1/20 = 350 - 1/20 = 349/20
  5. In mixed form: 179/20

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