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Subtract 35/21 from 10/8

1st number: 1 2/8, 2nd number: 1 14/21

10/8 - 35/21 is -5/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 21 is 168
  2. For the 1st fraction, since 8 × 21 = 168,
    10/8 = 10 × 21/8 × 21 = 210/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    35/21 = 35 × 8/21 × 8 = 280/168
  4. Subtract the two fractions:
    210/168 - 280/168 = 210 - 280/168 = -70/168
  5. After reducing the fraction, the answer is -5/12

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