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Subtract 6/60 from 7/90

7/90 - 6/60 is -1/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 60 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    7/90 = 7 × 2/90 × 2 = 14/180
  3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
    6/60 = 6 × 3/60 × 3 = 18/180
  4. Subtract the two like fractions:
    14/180 - 18/180 = 14 - 18/180 = -4/180
  5. After reducing the fraction, the answer is -1/45

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