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Subtract 3/90 from 49/12

1st number: 4 1/12, 2nd number: 3/90

49/12 - 3/90 is 81/20.

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,
    3/90 = 3 × 2/90 × 2 = 6/180
  4. Subtract the two like fractions:
    735/180 - 6/180 = 735 - 6/180 = 729/180
  5. After reducing the fraction, the answer is 81/20
  6. In mixed form: 41/20

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