1/ 3`1/11` x `27/46` x 1`6/17` x 2`4/9`
= `34/11` x `27/46` x `23/17` x `22/9`
= $\frac{34 × 27 × 23 × 22}{11 × 46 × 17 × 9}$
= 6.
2/ (x + `1/2`) + (x + `1/4`) + (x + `1/8`) + (x + `1/16`) = 1
4x + (`1/2` + `1/4` + `1/8` + `1/16`) = 1
4x + `15/16` = 1
4x = 1 - `15/16`
4x = `1/16`
x = `1/16` : 4
x = `1/16` x 4
x = `1/4`.