Question

multiply 10/
5 × 3/15​

Answer 1

   (10/ 5) × (3/15​)

=>2/5 =0.4

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Answer 2

Answer:

$\frac{10}{5} \times \frac{3}{15} \\ \frac{ _{2 \: \: } \cancel{ 10}}{ _{1 \: \: } \cancel 5} \times \frac{ \cancel 3 _{ \: \: 1}}{ \cancel{ 15} _{ \: \: 5} } \\ = 2 \times \frac{1}{5} \\ \boxed{ = \underline{ \underline{ \frac{2}{5} }}}$