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Subtract 3/40 from 35/20

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

35/20 - 3/40 is 67/40.

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,
    35/20 = 35 × 2/20 × 2 = 70/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    3/40 = 3 × 1/40 × 1 = 3/40
  4. Subtract the two fractions:
    70/40 - 3/40 = 70 - 3/40 = 67/40
  5. In mixed form: 127/40

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