Add each pair of rational numbers and show that their addition is also a rational number

Add, the following pair of rational numbers, and show that their addition (sum) is also a rational number : -2 "and" (2)/(5)

Add, the following pair of rational numbers, and show that their addition (sum) is also a rational number : (6)/(11) "and" (-9)/(11)

Add, each pair of rational numbers, given below, and show that their addition (sum) is also a rational number : (ii) (-8)/(13) "and" (-4)/(13)

Add, each pair of rational numbers, given below, and show that their addition (sum) is also a rational number : (i) (-5)/(8) "and" (3)/(8)

Add, each pair of rational numbers, given below, and show that their addition (sum) is also a rational number : (viii) (7)/(-18) "and" (8)/(27)

Add, each pair of rational numbers, given below, and show that their addition (sum) is also a rational number : (v) (5)/(-6) "and" (2)/(3)

Add, each pair of rational numbers, given below, and show that their addition (sum) is also a rational number : (vii) (9)/(-4) "and" (-3)/(8)

Add, pair of rational numbers, given below, and show that their addition (sum) is also a rational number : (5)/(-26) "and" (8)/(39)

Add each pair of rational numbers, given below, and show that their addition (sum) is also a rational number : (i) (7)/(15) "and" (3)/(5) (ii) (2)/(7) "and" 2 (iii) (3)/(8) "and" (-5)/(12) (iv) (7)/(-15) "and" (2)/(-3) (v) (5)/(-13) "and" (11)/(26)

The addition of two rational number is a