Question

Sum of two rational number is -5/7 and one rational number is -4/3, what the second one is

Answer 1

given

1 number=-4/3

second number=x

by problem

x+(-4/3)=-5/7

x-4/3=-5/7

x=-5/7+4/3

x=4/3-5/7(by doing lcm)

=28-15(numerater)

=13( numerator)

=21(denominator)

x=13/21