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Subtract 28/10 from 2/30

1st number: 2/30, 2nd number: 2 8/10

2/30 - 28/10 is -41/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 10 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 30 × 1 = 30,
    2/30 = 2 × 1/30 × 1 = 2/30
  3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
    28/10 = 28 × 3/10 × 3 = 84/30
  4. Subtract the two like fractions:
    2/30 - 84/30 = 2 - 84/30 = -82/30
  5. After reducing the fraction, the answer is -41/15

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