Given that:
- Raul plowed this portion of the field:
![(8)/(9)](https://img.qammunity.org/2023/formulas/mathematics/high-school/kkwwfnljh71q2a5ripl515589ez7ewxulz.png)
- And he planted blackberries on this portion of the plowed part:
![(1)/(7)](https://img.qammunity.org/2023/formulas/mathematics/high-school/b3wz2y77jpwy6jcki502wj9gl57z9vgddu.png)
You need to set up the following Multiplication of fractions, in order to find the fraction of the whole field that is planted with blackberries:
![(8)/(9)\cdot(1)/(7)](https://img.qammunity.org/2023/formulas/mathematics/college/nkusqgg1u7leyxe7xi3kqh8yn408hnjwn1.png)
To solve it, you need to multiply the numerators and multiply the denominators:
![=(8\cdot1)/(9\cdot7)=(8)/(63)](https://img.qammunity.org/2023/formulas/mathematics/college/lma2gjyg83tpvns8wzp9zlzzndkju95cvf.png)
Hence, the answer is:
![\frac{8}{63\text{ }}\text{ of the whole field is planted with blackberries.}](https://img.qammunity.org/2023/formulas/mathematics/college/kq43yotlglgkoxz1axpxjxsxmpb97y2vc4.png)