1.The sum of two rational numbers is -4/3.If one of the rational number is -5,find the other.
2.The sum of two rational numbers is -8.If one of the rational number is -15/7,find the other.
3.What number should be added to -5/7 to get 5/6.
4.The sum of two rational numbers is -2.If one of the rational number is -14/5,find the other.
nitin1614:
let two no. are A and B , A+B= -4/3 A=-5, B=-4/3+5 =11/3. hence the answer is 11/3
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*-5 + x = -4/3
-4/3+5=x
-4/3+15/3=x
15-4/3=x
11/3=x
*-15/7+y = -8
y = -8+15/7
y = -56/7+15/7
y = (-56+15)/7
y = -41/7
*-5/7+a =5/6
a = 5/6+5/7
a = (5x7+5x6)/42
a = 35+30/42
a = 65/42
*-14/5+b = -2
b = -2+14/5
b =-10/5+14/5
b = 14-10/5
b = 4/5.....
thanks
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