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Subtract 27/45 from 21/35

21/35 - 27/45 is 0/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 35 × 9 = 315,
    21/35 = 21 × 9/35 × 9 = 189/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    27/45 = 27 × 7/45 × 7 = 189/315
  4. Subtract the two like fractions:
    189/315 - 189/315 = 189 - 189/315 = 0/315
  5. The answer is 0

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