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Subtract 8/20 from 15/10

1st number: 1 5/10, 2nd number: 8/20

15/10 - 8/20 is 11/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 20 is 20
  2. For the 1st fraction, since 10 × 2 = 20,
    15/10 = 15 × 2/10 × 2 = 30/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    8/20 = 8 × 1/20 × 1 = 8/20
  4. Subtract the two fractions:
    30/20 - 8/20 = 30 - 8/20 = 22/20
  5. After reducing the fraction, the answer is 11/10
  6. In mixed form: 11/10

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