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Subtract 10/90 from 84/4

1st number: 21 0/4, 2nd number: 10/90

84/4 - 10/90 is 188/9.

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,
    84/4 = 84 × 45/4 × 45 = 3780/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    10/90 = 10 × 2/90 × 2 = 20/180
  4. Subtract the two like fractions:
    3780/180 - 20/180 = 3780 - 20/180 = 3760/180
  5. After reducing the fraction, the answer is 188/9
  6. In mixed form: 208/9

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