Adding and subtracting rational numbers

The result of j +l is an irrational number because the sum of any two rational number is irrational

the result of k +m is a rational number because the sum of any two irrational numbers is rational

the result of j + l is a rational number because the sum of any two rational numbers is rational

The result of k + m is an irrational number because the sum of any two irrational numbers is irrational

 $6.53-\left(-4.11+7.92\right)$  

 $6.53+4.11+7.92$  

 $-\left(-6.53\right)+4.11-\left(-7.92\right)$  

 $6.53-4.11+7.92$  

 $-6.53-4.11-7.92$  

-6x-2

-12x

-1-12x

-1-5x

rational

irrational

$60.00+[(12.75)+(22.25)]+[(5.43)+(2.57)]+40.00$

$12.75+5.43+40.00+60.00+2.57+22.25$

$[(−12.75)+(−5.43)][+40.00+60.00][(−2.57)+(−22.25)]$

$\lceil\left(60.00+40.00\right)+(−12.75)+(−22.25)]+[(−5.43)+(−2.57)]$

 $\$   $\left(-\frac{5}{8}\right)\ +\left(\frac{1}{8}+\frac{1}{2}\right)$

 $-\frac{5}{8}+\frac{5}{8}$  

$\left(-\frac{5}{8}\right)\ -\ \left(\left(-\frac{1}{8}\right)-\ \frac{1}{2}\right)$ and $\left(-\frac{5}{8}\right)\ -\ \left(\frac{1}{8\ }+\ \frac{1}{2}\right)$