Respuesta :

to subtract fractions, find the LCD and then combine.

Your answer in fraction form:
- 1/5
your answer in decimal form:
-0.2
8/20-3/5
Multiply until both fractions have the same common denominator
8/20-12/20
Subtract the numerator but DO NOT change the denominator.
-4/20
Simplify
Final Answer: -1/5
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