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Subtract 2/90 from 27/4

1st number: 6 3/4, 2nd number: 2/90

27/4 - 2/90 is 1211/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    27/4 = 27 × 45/4 × 45 = 1215/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    2/90 = 2 × 2/90 × 2 = 4/180
  4. Subtract the two like fractions:
    1215/180 - 4/180 = 1215 - 4/180 = 1211/180
  5. In mixed form: 6131/180

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