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Subtract 3/72 from 70/84

70/84 - 3/72 is 19/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 84 × 6 = 504,
    70/84 = 70 × 6/84 × 6 = 420/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    3/72 = 3 × 7/72 × 7 = 21/504
  4. Subtract the two like fractions:
    420/504 - 21/504 = 420 - 21/504 = 399/504
  5. After reducing the fraction, the answer is 19/24

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