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Subtract 35/7 from 10/20

1st number: 10/20, 2nd number: 5 0/7

10/20 - 35/7 is -9/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    10/20 = 10 × 7/20 × 7 = 70/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    35/7 = 35 × 20/7 × 20 = 700/140
  4. Subtract the two fractions:
    70/140 - 700/140 = 70 - 700/140 = -630/140
  5. After reducing the fraction, the answer is -9/2

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