Telephones - filament

Find the LCD of all the %'s

```
LCD(1/3,2/3) = 3

4
4/3 = 1.3
1.3 -> 2
1.3/2 = 0.66
2 @ 0.66

Go other way

2 * 0.66 = 1.3
1.3 * 3 = 4
```

---

Not this: because 2 @ 0.33 = 1 @ 0.66

```
4

4/3 = 1.3
= 2
r 0.66
0.66/2
= 2 @ 33%
```