Question

Answer 1

\(a,=\dfrac{22}{5}+\dfrac{31}{10}=\dfrac{75}{10}=\dfrac{15}{2}\\ b,=\dfrac{13}{5}-\dfrac{13}{7}=\dfrac{26}{35}\\ c,=\dfrac{7}{5}\times\dfrac{20}{7}=4\\ d,=\dfrac{26}{7}:\dfrac{13}{5}=\dfrac{5}{7}\)

Answer 2

\(A=\dfrac{5}{12}\)

\(B=\dfrac{26}{35}\)

\(C=4\)

\(D=\dfrac{5}{7}\)