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Subtract 1/90 from 49/12

1st number: 4 1/12, 2nd number: 1/90

49/12 - 1/90 is 733/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    49/12 = 49 × 15/12 × 15 = 735/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    1/90 = 1 × 2/90 × 2 = 2/180
  4. Subtract the two like fractions:
    735/180 - 2/180 = 735 - 2/180 = 733/180
  5. In mixed form: 413/180

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