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Subtract 6/45 from 20/18

1st number: 1 2/18, 2nd number: 6/45

20/18 - 6/45 is 44/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    20/18 = 20 × 5/18 × 5 = 100/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    6/45 = 6 × 2/45 × 2 = 12/90
  4. Subtract the two like fractions:
    100/90 - 12/90 = 100 - 12/90 = 88/90
  5. After reducing the fraction, the answer is 44/45

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