Question

2/10 reading, 7/10 experiments, what is the fraction of time left ?

Answer 1

Total time = 10/10

So time left = 10/10 - 2/10 - 7/10

= 10/10 - 9/10

= 1/10  (answer)

Answer 2

The total fraction of time is:

10/10

The fraction of time which has already been used is:

2/10 + 7/10 = 9/10

The fraction of time to be used is:

10/10 - 9/10 = 1/10

Hope it helped,

BioTeacher101