Question

A road is 8/9 of a mile long. A crew needs to replace 4/5 of the road how long is the section that needs to be repaved

Answer 1

4/45

Explanation:

8 - 4

9 5

= 8 × 5 - 4 × 9

9 × 5 5 × 9

= 40 - 36

45 45

= 40 – 36

45

= 4

45

8/9 - 4/5

= 4/45