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Subtract 2/90 from 42/4

1st number: 10 2/4, 2nd number: 2/90

42/4 - 2/90 is 943/90.

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,
    42/4 = 42 × 45/4 × 45 = 1890/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    2/90 = 2 × 2/90 × 2 = 4/180
  4. Subtract the two like fractions:
    1890/180 - 4/180 = 1890 - 4/180 = 1886/180
  5. After reducing the fraction, the answer is 943/90
  6. In mixed form: 1043/90

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