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Subtract 24/21 from 1/10

1st number: 1/10, 2nd number: 1 3/21

1/10 - 24/21 is -73/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 10 × 21 = 210,
    1/10 = 1 × 21/10 × 21 = 21/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    24/21 = 24 × 10/21 × 10 = 240/210
  4. Subtract the two like fractions:
    21/210 - 240/210 = 21 - 240/210 = -219/210
  5. After reducing the fraction, the answer is -73/70

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