Question

verify the following: 3/4+-2/5=-2/5+3/4​

Answer 1

Answer:

3/4 + (-2/5) = -2/5 + 3/4

{ Lcm of 5 and 4 is 20 }

=> 15-8/20 = -8 + 15/20

=> 7/20 = 7/20

∴ LHS = RHS Hence verified

Answer 2

Answer:

3/4+(-2/5)=-2/5+3/4

3/4-2/5=-2×4+3×5/20=-8+15/20

3×5-2×4/20=7/20

15-8/20=7/20

7/20=7/20

YES It is equal