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Subtract 30/8 from 1/45

1st number: 1/45, 2nd number: 3 6/8

1/45 - 30/8 is -671/180.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 45 × 8 = 360,
    1/45 = 1 × 8/45 × 8 = 8/360
  3. Likewise, for the 2nd fraction, since 8 × 45 = 360,
    30/8 = 30 × 45/8 × 45 = 1350/360
  4. Subtract the two like fractions:
    8/360 - 1350/360 = 8 - 1350/360 = -1342/360
  5. After reducing the fraction, the answer is -671/180

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