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Subtract 7/45 from 1/8

1/8 - 7/45 is -11/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    1/8 = 1 × 45/8 × 45 = 45/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    7/45 = 7 × 8/45 × 8 = 56/360
  4. Subtract the two like fractions:
    45/360 - 56/360 = 45 - 56/360 = -11/360

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