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Subtract 21/6 from 1/10

1st number: 1/10, 2nd number: 3 3/6

1/10 - 21/6 is -17/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 6 is 30
  2. For the 1st fraction, since 10 × 3 = 30,
    1/10 = 1 × 3/10 × 3 = 3/30
  3. Likewise, for the 2nd fraction, since 6 × 5 = 30,
    21/6 = 21 × 5/6 × 5 = 105/30
  4. Subtract the two fractions:
    3/30 - 105/30 = 3 - 105/30 = -102/30
  5. After reducing the fraction, the answer is -17/5

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