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Subtract 25/9 from 90/5

1st number: 18 0/5, 2nd number: 2 7/9

90/5 - 25/9 is 137/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 9 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 5 × 9 = 45,
    90/5 = 90 × 9/5 × 9 = 810/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    25/9 = 25 × 5/9 × 5 = 125/45
  4. Subtract the two like fractions:
    810/45 - 125/45 = 810 - 125/45 = 685/45
  5. After reducing the fraction, the answer is 137/9
  6. In mixed form: 152/9

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