Question

Add:
1)
$\frac{1}{2} mn + 2mn$
2)
$\frac{1}{3} {x}^{2} y + 3 {x}^{2} y$
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Answer 1

Answer:

1). 1/2mn + 2mn

1/2+2(mn)

(1+4)/2 (mn)

5/2 (mn)

2.5mn

2). 1/3x²y + 3x²y

1/3 + 3 (x²y)

(1+9)/3 (x²y)

10/3 (x²y)