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Subtract 2/72 from 20/35

20/35 - 2/72 is 137/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 72 is 2520
  2. For the 1st fraction, since 35 × 72 = 2520,
    20/35 = 20 × 72/35 × 72 = 1440/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    2/72 = 2 × 35/72 × 35 = 70/2520
  4. Subtract the two fractions:
    1440/2520 - 70/2520 = 1440 - 70/2520 = 1370/2520
  5. After reducing the fraction, the answer is 137/252

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