Question

Answer 1

`1 1/2xx1 1/3xx1 1/4xx...xx1 1/99`

`=3/2xx4/3xx5/4xx...xx100/99`

`=100/2`

`=50`

Answer 2

`1 1/2 xx 1 1/3 .xx 1 1/4 xx ... xx1 1/99`

`= 3/2 xx 4/3 xx 5/4 xx ... xx100/99`

`= (3xx4xx5 xx... xx100)/(2xx3xx4 xx...xx99)`

`= 100/2=50`