Question

2/5 and 3/8 common denominator

Answer 1

Answer:

40

Step-by-step explanation:

The common denominator = 5×8

= 40

Answer 2

Answer:

it's 40

Step-by-step explanation:

$\frac{2}{5} \frac{ \times }{ \times } \frac{8}{8} = \frac{16}{40} \\ \frac{3}{8} \frac{ \times }{ \times } \frac{5}{5} = \frac{15}{40}$

so the common denominator is 40