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Subtract 70/72 from 24/28

24/28 - 70/72 is -29/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 28 × 18 = 504,
    24/28 = 24 × 18/28 × 18 = 432/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    70/72 = 70 × 7/72 × 7 = 490/504
  4. Subtract the two like fractions:
    432/504 - 490/504 = 432 - 490/504 = -58/504
  5. After reducing the fraction, the answer is -29/252

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