please what is the answer
quick!

Answer:
[tex]\frac{21}{100}[/tex]
Step-by-step explanation:
When adding fractions, make sure that both denominators are the same
To do this multiply [tex]\frac{1}{10}[/tex] by 10 to make it into [tex]\frac{10}{100}[/tex]
[tex]\frac{10}{100} + \frac{11}{100}[/tex] = [tex]\frac{21}{100}[/tex]