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Subtract 4/40 from 75/20

1st number: 3 15/20, 2nd number: 4/40

75/20 - 4/40 is 73/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 40 is 40
  2. For the 1st fraction, since 20 × 2 = 40,
    75/20 = 75 × 2/20 × 2 = 150/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    4/40 = 4 × 1/40 × 1 = 4/40
  4. Subtract the two fractions:
    150/40 - 4/40 = 150 - 4/40 = 146/40
  5. After reducing the fraction, the answer is 73/20
  6. In mixed form: 313/20

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