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Subtract 24/20 from 3/90

1st number: 3/90, 2nd number: 1 4/20

3/90 - 24/20 is -7/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 20 is 180
  2. For the 1st fraction, since 90 × 2 = 180,
    3/90 = 3 × 2/90 × 2 = 6/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    24/20 = 24 × 9/20 × 9 = 216/180
  4. Subtract the two fractions:
    6/180 - 216/180 = 6 - 216/180 = -210/180
  5. After reducing the fraction, the answer is -7/6

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