How many decimeters does 0.1 equal to? 0.1 = how many decimeters = () decimeters

How many decimeters does 0.1 equal to? 0.1 = how many decimeters = () decimeters

0.1 M = 1 / 10 m = (1) decimeter

9 out of 10 minus (3 out of 7 minus 1 out of 10) is a fraction plus a fraction minus a fraction;

9/10-(3/7-1/10)=9/10+1/10-3/7=7/7-3/7=4/7

One eighth of five tons equals a fraction of a ton

One eighth of five tons is equal to five eighths of one ton
It's five eighths of a ton

What's the fraction of 0.5, (5 cycles),? What's the fraction of 0.17. (7 cycles)?
And say why!
What's the discovery in the conversion of pure cyclic decimals into fractions?

5, (5 cycles,) is 5 / 9;
17. (7 cycles) the formation fraction is 8 out of 45
No why! Here are some tips:
The zero point cycle is a few ninths
17 (7 cycles) = 0.1 + 0.07 cycles = 0.1 + 7 / 90
=9 out of 90 + 7 out of 90
=16 out of 90
=8 out of 45