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Subtract 6/72 from 35/42

35/42 - 6/72 is 3/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 42 × 12 = 504,
    35/42 = 35 × 12/42 × 12 = 420/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    6/72 = 6 × 7/72 × 7 = 42/504
  4. Subtract the two like fractions:
    420/504 - 42/504 = 420 - 42/504 = 378/504
  5. After reducing the fraction, the answer is 3/4

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