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Subtract 35/60 from 30/21

1st number: 1 9/21, 2nd number: 35/60

30/21 - 35/60 is 71/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 21 × 20 = 420,
    30/21 = 30 × 20/21 × 20 = 600/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    35/60 = 35 × 7/60 × 7 = 245/420
  4. Subtract the two like fractions:
    600/420 - 245/420 = 600 - 245/420 = 355/420
  5. After reducing the fraction, the answer is 71/84

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