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Subtract 7/90 from 3/10

3/10 - 7/90 is 2/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    3/10 = 3 × 9/10 × 9 = 27/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    7/90 = 7 × 1/90 × 1 = 7/90
  4. Subtract the two like fractions:
    27/90 - 7/90 = 27 - 7/90 = 20/90
  5. After reducing the fraction, the answer is 2/9

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