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Subtract 4/20 from 12/8

1st number: 1 4/8, 2nd number: 4/20

12/8 - 4/20 is 13/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 20 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    12/8 = 12 × 5/8 × 5 = 60/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    4/20 = 4 × 2/20 × 2 = 8/40
  4. Subtract the two like fractions:
    60/40 - 8/40 = 60 - 8/40 = 52/40
  5. After reducing the fraction, the answer is 13/10
  6. In mixed form: 13/10

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