Question

(1) 1/2+2/3= (2) 5/7–2/3= (3) 2/3×5/7= (4) 2/3×9/20= ​

Answer 1

Answer:

1) 1/2+2/3 = 1.166

2) 5/7-2/3 = 0.047

3) 2/3*5/7 = 0.476

4) 2/3*9/20 = 0.3

Answer 2

Answer:

$(1) \frac{7}{6} = 1.66666667$

$(2) \frac{1}{21} = 0.04761904762$

$(3) \frac{10}{21} = 0.4761904762$

$(4) \frac{3}{10} = 0.3000000000$

this is a answer