Question

What is 0.90 in fraction

Answer 1

$\frac{9}{10}$
Because, the 9 in .9 is in the tenths place, therefore the 9 is the numerator, and the ten is the denominator. 
~Hope this helped :)

Answer 2

0.90 as a fraction is 90/100 but when you simplify the answer is 9/10