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Subtract 3/72 from 60/42

1st number: 1 18/42, 2nd number: 3/72

60/42 - 3/72 is 233/168.

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,
    60/42 = 60 × 12/42 × 12 = 720/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    3/72 = 3 × 7/72 × 7 = 21/504
  4. Subtract the two like fractions:
    720/504 - 21/504 = 720 - 21/504 = 699/504
  5. After reducing the fraction, the answer is 233/168
  6. In mixed form: 165/168

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