Question

0.87 written as a fraction is _____. How would you work it out?

Answer 1

0.87 is 87/100 does 87 and 100 have any common factors ? Nope so it's 87/100

Answer 2

For the answer to the question above, 
This has to do with place value. What place value is ur last digit 7 in? It is in the hundredths place...so put it over 100.
87/100 So, this is ur answer because it does not reduce