Basically, in order to solve the .1875 as a fraction in mathematics you only have to follow the below mentioned steps:

You have to add 1 in the denominator. And as many digits are there in the numerator after the decimal point as many you have to add up the zeros in the denominator in front of 1. 

.1875 as a fraction

For example:

= 0.1875

= 0.1875 by 1

= 1875 by 10000

= 375 by 2000

= 75 by 400

= 15 by 80

= 3 by 16 

Like this the fraction can be solved easily.