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Subtract 21/9 from 2/30

1st number: 2/30, 2nd number: 2 3/9

2/30 - 21/9 is -34/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    2/30 = 2 × 3/30 × 3 = 6/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    21/9 = 21 × 10/9 × 10 = 210/90
  4. Subtract the two like fractions:
    6/90 - 210/90 = 6 - 210/90 = -204/90
  5. After reducing the fraction, the answer is -34/15

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