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Subtract 5/9 from 7/30

7/30 - 5/9 is -29/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90
  2. For the 1st fraction, since 30 × 3 = 90,
    7/30 = 7 × 3/30 × 3 = 21/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    5/9 = 5 × 10/9 × 10 = 50/90
  4. Subtract the two fractions:
    21/90 - 50/90 = 21 - 50/90 = -29/90

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