question_answer

From which one of the following fractions\[\frac{13}{30}\] should be subtracted such that the result becomes\[\frac{7}{10}\]?

A) \[\frac{10}{7}\]                         

B) \[\frac{10}{13}\]

C) \[\frac{21}{13}\]                                   

D) \[\frac{17}{15}\]

E) None of these