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Subtract 40/24 from 30/20

1st number: 1 10/20, 2nd number: 1 16/24

30/20 - 40/24 is -1/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 24 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 20 × 6 = 120,
    30/20 = 30 × 6/20 × 6 = 180/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    40/24 = 40 × 5/24 × 5 = 200/120
  4. Subtract the two like fractions:
    180/120 - 200/120 = 180 - 200/120 = -20/120
  5. After reducing the fraction, the answer is -1/6

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