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Subtract 15/45 from 5/35

5/35 - 15/45 is -4/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 45 is 315
  2. For the 1st fraction, since 35 × 9 = 315,
    5/35 = 5 × 9/35 × 9 = 45/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    15/45 = 15 × 7/45 × 7 = 105/315
  4. Subtract the two fractions:
    45/315 - 105/315 = 45 - 105/315 = -60/315
  5. After reducing the fraction, the answer is -4/21

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