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Subtract 35/72 from 45/42

1st number: 1 3/42, 2nd number: 35/72

45/42 - 35/72 is 295/504.

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,
    45/42 = 45 × 12/42 × 12 = 540/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    35/72 = 35 × 7/72 × 7 = 245/504
  4. Subtract the two like fractions:
    540/504 - 245/504 = 540 - 245/504 = 295/504

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