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Subtract 6/21 from 2/72

2/72 - 6/21 is -65/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 21 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    2/72 = 2 × 7/72 × 7 = 14/504
  3. Likewise, for the 2nd fraction, since 21 × 24 = 504,
    6/21 = 6 × 24/21 × 24 = 144/504
  4. Subtract the two like fractions:
    14/504 - 144/504 = 14 - 144/504 = -130/504
  5. After reducing the fraction, the answer is -65/252

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