## Sirlw 3 years ago What is the unit fraction of 9/10?

1. Tomas.A

what is unit fraction?

2. Sirlw

A egyptian way of writing a fraction the numerator has to be 1

3. Sirlw

and the denominator cant repeat

4. Sirlw

for ex: 4/5 =1/2 + 1/5 + 1/10

5. Sirlw

i have only 1/10 + 1/2+ 1/5 so far

6. Tomas.A

interesting :D

7. Sirlw

...

8. Tomas.A

do you need to guess :D or there are methodology how to make them?

9. Sirlw

umm i think guess...?

10. Sirlw

idk.

11. Sirlw

there isnt really a method

12. Tomas.A

1/2+1/3+1/15=9/10 http://www.maths.surrey.ac.uk/hosted-sites/R.Knott/Fractions/egyptian.html i think there should be since it's calculated

13. strobe

1/2 + 1/4 + 1/8 + 1/40

14. Sirlw

oh?

15. Tomas.A

using greedy algorhitm

16. Sirlw

..

17. Sirlw

Thanks guys

18. Sirlw

wait

19. Tomas.A

95/14541 = 1/154+1/25161+1/3756225304+1/35273071332268507000 :D

20. Sirlw

uh

21. Sirlw

im kinda confused?

22. Sirlw

D:<

23. Tomas.A

there is even egyptian fraction for a $$\pi$$!

24. Sirlw

omg..

25. Sirlw

wait how is 1/2 1/3 1/15 da answer

26. Tomas.A

8, 61, 5020, 128541455, 162924332716605980, ...

27. Sirlw

coould u turn it into equalivent fracs

28. Tomas.A

$\frac{1}{2}+\frac{1}{3}+\frac{1}{15}=\frac{15}{30}+\frac{10}{30}+\frac{2}{30}=\frac{15+10+2}{30}=\frac{27}{30}=\frac{9}{10}$

29. Tomas.A

can't you do it yourself?

30. Sirlw

holy

31. Sirlw

OHHHHHHHHHH i get it

32. Sirlw

THANKS SO MUCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH!!!!!!!!!

33. Tomas.A

thank you for showing my egyptian fractions :D

34. Sirlw

yup :P