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Subtract 6/20 from 70/72

70/72 - 6/20 is 121/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 20 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    70/72 = 70 × 5/72 × 5 = 350/360
  3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
    6/20 = 6 × 18/20 × 18 = 108/360
  4. Subtract the two like fractions:
    350/360 - 108/360 = 350 - 108/360 = 242/360
  5. After reducing the fraction, the answer is 121/180

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