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Subtract 6/16 from 21/35

21/35 - 6/16 is 9/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 16 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 35 × 16 = 560,
    21/35 = 21 × 16/35 × 16 = 336/560
  3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
    6/16 = 6 × 35/16 × 35 = 210/560
  4. Subtract the two like fractions:
    336/560 - 210/560 = 336 - 210/560 = 126/560
  5. After reducing the fraction, the answer is 9/40

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