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Subtract 45/18 from 20/8

1st number: 2 4/8, 2nd number: 2 9/18

20/8 - 45/18 is 0/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    20/8 = 20 × 9/8 × 9 = 180/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    45/18 = 45 × 4/18 × 4 = 180/72
  4. Subtract the two like fractions:
    180/72 - 180/72 = 180 - 180/72 = 0/72
  5. The answer is 0

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