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Subtract 5/45 from 6/7

6/7 - 5/45 is 47/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 45 is 315
  2. For the 1st fraction, since 7 × 45 = 315,
    6/7 = 6 × 45/7 × 45 = 270/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    5/45 = 5 × 7/45 × 7 = 35/315
  4. Subtract the two fractions:
    270/315 - 35/315 = 270 - 35/315 = 235/315
  5. After reducing the fraction, the answer is 47/63

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