Question

Verify the closure property for addition and multiplication for the rational numbers-5/7and8/9.​

Answer 1

Answer:

-5/7 + 8/9

= (-45 + 56 ) / 63

11/63

all are rational numbers

x+y=z

here x , y , z are rational numbers

-5/7 × 8/9

= -40/63

all are rational numbers

x × y = z

here x,y,z are rational numbers