Answer:
Step-by-step explanation:
[tex]\frac{1}{2}-4\frac{1}{5}=\frac{1}{2}-\frac{21}{5}\\\\[/tex]
Find least common denominator of 2 and 5 = 10
[tex]=\frac{1*5}{2*5}-\frac{21*2}{5*2}\\\\=\frac{5}{10}-\frac{42}{10}\\\\=\frac{5-42}{10}\\\\=\frac{-37}{10}\\\\=-3\frac{7}{10}[/tex]
