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Subtract 28/64 from 16/70

16/70 - 28/64 is -117/560.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 64 is 2240

    Next, find the equivalent fraction of both fractional numbers with denominator 2240
  2. For the 1st fraction, since 70 × 32 = 2240,
    16/70 = 16 × 32/70 × 32 = 512/2240
  3. Likewise, for the 2nd fraction, since 64 × 35 = 2240,
    28/64 = 28 × 35/64 × 35 = 980/2240
  4. Subtract the two like fractions:
    512/2240 - 980/2240 = 512 - 980/2240 = -468/2240
  5. After reducing the fraction, the answer is -117/560

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