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Subtract 80/35 from 20/63

1st number: 20/63, 2nd number: 2 10/35

20/63 - 80/35 is -124/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 35 is 315
  2. For the 1st fraction, since 63 × 5 = 315,
    20/63 = 20 × 5/63 × 5 = 100/315
  3. Likewise, for the 2nd fraction, since 35 × 9 = 315,
    80/35 = 80 × 9/35 × 9 = 720/315
  4. Subtract the two fractions:
    100/315 - 720/315 = 100 - 720/315 = -620/315
  5. After reducing the fraction, the answer is -124/63

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