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Subtract 7/72 from 1/7

1/7 - 7/72 is 23/504.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 7 × 72 = 504,
    1/7 = 1 × 72/7 × 72 = 72/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    7/72 = 7 × 7/72 × 7 = 49/504
  4. Subtract the two like fractions:
    72/504 - 49/504 = 72 - 49/504 = 23/504

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