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Subtract 40/12 from 2/45

1st number: 2/45, 2nd number: 3 4/12

2/45 - 40/12 is -148/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 12 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    2/45 = 2 × 4/45 × 4 = 8/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    40/12 = 40 × 15/12 × 15 = 600/180
  4. Subtract the two like fractions:
    8/180 - 600/180 = 8 - 600/180 = -592/180
  5. After reducing the fraction, the answer is -148/45

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