The number 35 is written as a fraction in many ways, but the simplest way is 35/1. Other examples of 35 as a fraction are 70/2 and 105/3. Any number with a top number larger than the bottom number is called an improper fraction, according to About.com.

The top number of a fraction is the numerator, and the bottom number is the denominator. In a fraction, the numerator is being divided into the number of parts specified by the denominator. In the fraction 35/1, the number 35 is divided into one part, making it simply 35. In the fraction 70/2, seventy is divided into two parts, making it equivalent to 35. A numerator with a denominator of one is equal to the numerator itself.