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Subtract 28/70 from 4/16

4/16 - 28/70 is -3/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 70 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 16 × 35 = 560,
    4/16 = 4 × 35/16 × 35 = 140/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    28/70 = 28 × 8/70 × 8 = 224/560
  4. Subtract the two like fractions:
    140/560 - 224/560 = 140 - 224/560 = -84/560
  5. After reducing the fraction, the answer is -3/20

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