Question

Simplify this mathematic question.(Rational Numbers)​

Answer 1

Answer:

ACCORDING TO THE QUESTION

21/5-53/10+3/2

42/10-53/10+15/10

-11/10+15/10

4/10

ANSWER=2/5

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Answer 2

Answer:

4/10

Step-by-step explanation:

41/5+(-53/10)+11/2

21/5+(-53/10)+3/2

21*2/5*2+(-53/10)+3*5/2*5

42/10+(-53/10)+15/10

42+15/10(-53/10)

57/10-53/10

57-53/10=4/10