Question

Verify Commutative property of addition and multiplication for the following set of rational numbers.
a=4/5 ; b= -2/3

Answer 1

Answer:

Both the numbers are commutative.

step-by-step explanation:

Addition

4/5+2/3 ; L.C.M= 5×3=15

4×3/5×3 +  2×5/3×5

=12+10/5

=22/5

2/3+4/5 ; L.C.M= 3×5=15

= 2×5/3×5 + 4×3/5×3

=10+12/5

=22/5

4/5+2/3=22/5

2/3+4/5=22/5

4/5+2/3=2/3+4/5

Multiplication:

4/5×2/3

=4×2/5×3

=8/15

2/3×4/5

=2×4/3×5

=8/15

4/5×2/3=8/15

2/3×4/5=8/15

4/5×2/3=2/3×4/5