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Subtract 8/5 from 90/4

1st number: 22 2/4, 2nd number: 1 3/5

90/4 - 8/5 is 209/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    90/4 = 90 × 5/4 × 5 = 450/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    8/5 = 8 × 4/5 × 4 = 32/20
  4. Subtract the two like fractions:
    450/20 - 32/20 = 450 - 32/20 = 418/20
  5. After reducing the fraction, the answer is 209/10
  6. In mixed form: 209/10

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