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Subtract 8/7 from 1/45

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

1/45 - 8/7 is -353/315.

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,
    1/45 = 1 × 7/45 × 7 = 7/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    8/7 = 8 × 45/7 × 45 = 360/315
  4. Subtract the two fractions:
    7/315 - 360/315 = 7 - 360/315 = -353/315

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