Answer:
4/8 and 4/10
Explanation:
Required
Select which option is equivalent to 1/2 and 2/5
Option (a): 5/10 and 4/8
Simplify 5/10
![5/10 = 1/2](https://img.qammunity.org/2022/formulas/mathematics/high-school/1yyuvdjzrtnwnep2atcedpemt1h07rse9w.png)
Simplify 4/8
![4/8 = 1/2](https://img.qammunity.org/2022/formulas/mathematics/high-school/voomzszk8xydciwija2up4h1hxj10tk1qu.png)
This is not true
Option (b): 1/3 and 4/12
1/3 is not equivalent to 1/2 or 2/5.
So, this is not true
Option (c): 4/12 and 5/10
Simplify 4/12
![4/12 = 1/3](https://img.qammunity.org/2022/formulas/mathematics/high-school/lybd5n948fvmhbrsutypw6o9fwyuecxdhz.png)
1/3 is not equivalent to 1/2 or 2/5.
So, this is not true
Option (d): 4/8 and 4/10
Simplify 4/8
![4/8 = 1/2](https://img.qammunity.org/2022/formulas/mathematics/high-school/voomzszk8xydciwija2up4h1hxj10tk1qu.png)
Simplify 4/10
![4/10 = 2/5](https://img.qammunity.org/2022/formulas/mathematics/high-school/wa4lsjo8rbw07hfex0p7oqkzttuu7pk97m.png)
Hence, (d) is true