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Subtract 5/18 from 20/8

1st number: 2 4/8, 2nd number: 5/18

20/8 - 5/18 is 20/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 18 is 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,
    5/18 = 5 × 4/18 × 4 = 20/72
  4. Subtract the two fractions:
    180/72 - 20/72 = 180 - 20/72 = 160/72
  5. After reducing the fraction, the answer is 20/9
  6. In mixed form: 22/9

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