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Subtract 20/9 from 8/15

1st number: 8/15, 2nd number: 2 2/9

8/15 - 20/9 is -76/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    8/15 = 8 × 3/15 × 3 = 24/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    20/9 = 20 × 5/9 × 5 = 100/45
  4. Subtract the two fractions:
    24/45 - 100/45 = 24 - 100/45 = -76/45

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