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Subtract 50/12 from 90/20

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

90/20 - 50/12 is 1/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 12 is 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,
    50/12 = 50 × 5/12 × 5 = 250/60
  4. Subtract the two fractions:
    270/60 - 250/60 = 270 - 250/60 = 20/60
  5. After reducing the fraction, the answer is 1/3

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