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Subtract 1/40 from 35/72

35/72 - 1/40 is 83/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    35/72 = 35 × 5/72 × 5 = 175/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    1/40 = 1 × 9/40 × 9 = 9/360
  4. Subtract the two like fractions:
    175/360 - 9/360 = 175 - 9/360 = 166/360
  5. After reducing the fraction, the answer is 83/180

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