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Subtract 9/7 from 6/45

1st number: 6/45, 2nd number: 1 2/7

6/45 - 9/7 is -121/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 7 is 315
  2. For the 1st fraction, since 45 × 7 = 315,
    6/45 = 6 × 7/45 × 7 = 42/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    9/7 = 9 × 45/7 × 45 = 405/315
  4. Subtract the two fractions:
    42/315 - 405/315 = 42 - 405/315 = -363/315
  5. After reducing the fraction, the answer is -121/105

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