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Subtract 20/84 from 35/45

35/45 - 20/84 is 34/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 84 is 1260
  2. For the 1st fraction, since 45 × 28 = 1260,
    35/45 = 35 × 28/45 × 28 = 980/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    20/84 = 20 × 15/84 × 15 = 300/1260
  4. Subtract the two fractions:
    980/1260 - 300/1260 = 980 - 300/1260 = 680/1260
  5. After reducing the fraction, the answer is 34/63

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