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Subtract 6/12 from 90/20

1st number: 4 10/20, 2nd number: 6/12

90/20 - 6/12 is 4/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    90/20 = 90 × 3/20 × 3 = 270/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    6/12 = 6 × 5/12 × 5 = 30/60
  4. Subtract the two like fractions:
    270/60 - 30/60 = 270 - 30/60 = 240/60
  5. After reducing the fraction, the answer is 4/1

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