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Subtract 20/84 from 35/30

1st number: 1 5/30, 2nd number: 20/84

35/30 - 20/84 is 13/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 84 is 420
  2. For the 1st fraction, since 30 × 14 = 420,
    35/30 = 35 × 14/30 × 14 = 490/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    20/84 = 20 × 5/84 × 5 = 100/420
  4. Subtract the two fractions:
    490/420 - 100/420 = 490 - 100/420 = 390/420
  5. After reducing the fraction, the answer is 13/14

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