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Subtract 10/8 from 3/30

1st number: 3/30, 2nd number: 1 2/8

3/30 - 10/8 is -23/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    3/30 = 3 × 4/30 × 4 = 12/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    10/8 = 10 × 15/8 × 15 = 150/120
  4. Subtract the two like fractions:
    12/120 - 150/120 = 12 - 150/120 = -138/120
  5. After reducing the fraction, the answer is -23/20

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