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Subtract 35/72 from 20/30

20/30 - 35/72 is 13/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 30 × 12 = 360,
    20/30 = 20 × 12/30 × 12 = 240/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    35/72 = 35 × 5/72 × 5 = 175/360
  4. Subtract the two like fractions:
    240/360 - 175/360 = 240 - 175/360 = 65/360
  5. After reducing the fraction, the answer is 13/72

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