The inequality is .

Write the mixed numbers into improper fraction.

The improper fraction of 

Apply addition property of inequality: Add  to each side.

                (Additive inverse property: )

                        (Additive identity property: )

                                 (Add: )

                                      (Divide: )

Graph the solution set on a number line.

Note: A circle means that this point is not included in the solution set.

Check:

To check, substitute a number  less than 4 in .

                    (Substitute )

Find the least common denominator(L.C.D)

Multiples of 1:1,2,3,4,5,6,7....

Multiples of 5:5,10,15,20....

The least common multiple of 1 and 5 is 5.

Rewrite each fraction with a common denominator of 5.

                    (subtract: )

The inequality is true.                                    

The inequality solution is .