Question

the numerical expression 3/8 + (-5)/7 = 19/ 56 shown that. a) rational number are closed under addition b) rational number are not closed under addition c) rational number are closed under multiplication d) addition of rational number is not commutative​

Answer 1

Answer:

hi. hi

hi

hi

hi

hihi

hihihi

Answer 2

Answer:

follow m

tional numbers are closed under addition. rational nu