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Subtract 32/20 from 9/30

1st number: 9/30, 2nd number: 1 12/20

9/30 - 32/20 is -13/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    9/30 = 9 × 2/30 × 2 = 18/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    32/20 = 32 × 3/20 × 3 = 96/60
  4. Subtract the two like fractions:
    18/60 - 96/60 = 18 - 96/60 = -78/60
  5. After reducing the fraction, the answer is -13/10

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