Question

express 0.5(bar is on 5) +0.67(bar is on 7) in the form of p/q​

Answer 1

first we have to express both in the form of p/q:-

1. 0.5(bar is on 5)
2. let x be 0.5555
3. => x=0.5555
4. =>10x=5.5555
5. =>10x-x=5.5555-x
6. =>9x=5.5555-0.5555
7. =>9x=5
8. =>x=5/9

Again,

1. 0.67(bar is on 7)

follow the above steps

=>x=61/90

Now,

5/9-61/90

=-11/90