Question

\(\dfrac{3}{10}+\dfrac{2}{5}:\dfrac{4}{15}\)

Answer 1

3/10+3/10=6/10=3/5

Answer 2

3/10+3/10=6/10=3/5

Answer 3

3/5

Answer 4

3/10+3/10=6/10=3/5

Answer 5

=\(\dfrac{3}{10}+\dfrac{3}{2}\)

=\(\dfrac{18}{10}=\dfrac{9}{5}\)

Answer 6

\(= \dfrac7{10} x \dfrac{15}4 = \dfrac{105}{40} \)

Answer 7

\(=\dfrac{3}{10}+\dfrac{3}{10} \)

\(=\dfrac{6}{10}=\dfrac{3}{5}\)