34/70 expressed as a percentage is 48.57%. This rounded value gives a quick sense of how large the fraction is compared to a whole.
The fraction 34/70 can also be written in its simplest form as 17/35. It is a little under one‑half, which is why the percentage is just shy of 50 %. Seeing it as a fraction helps when you need to add, subtract, or compare it with other fractions.
In everyday life, percentages are often easier to understand than fractions. Saying something is 48.57% complete, for example, tells people almost half is done without having to think about the numbers 34 and 70. This makes communication clearer and faster.