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Subtract 7/9 from 90/15

1st number: 6 0/15, 2nd number: 7/9

90/15 - 7/9 is 47/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 15 × 3 = 45,
    90/15 = 90 × 3/15 × 3 = 270/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    7/9 = 7 × 5/9 × 5 = 35/45
  4. Subtract the two like fractions:
    270/45 - 35/45 = 270 - 35/45 = 235/45
  5. After reducing the fraction, the answer is 47/9
  6. In mixed form: 52/9

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