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Subtract 70/16 from 9/20

1st number: 9/20, 2nd number: 4 6/16

9/20 - 70/16 is -157/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    9/20 = 9 × 4/20 × 4 = 36/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    70/16 = 70 × 5/16 × 5 = 350/80
  4. Subtract the two like fractions:
    36/80 - 350/80 = 36 - 350/80 = -314/80
  5. After reducing the fraction, the answer is -157/40

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