Respuesta :

1/4, because in 1/3, you would only need 3 parts to get one whole, but in 1/4, you would need 4 parts to get a whole. 

The fraction that is less than 1/3 using 1 as a numerator are 1/4, 1/5, 1/6, 1/7, 1/8, 1/9, and 1/10.

Given

Write a fraction that is less than 1/3 using 1 as a numerator.

Fraction;

A fraction can be written as;

[tex]\rm Fraction=\dfrac{Numerator}{Denominator}[/tex]

The fraction is less the 1/3 equals to;

[tex]=\dfrac{1}{3}\\\\=0.33[/tex]

Then,

The fraction that is less than 1/3 uses 1 as a numerator.

[tex]\dfrac{1}{4}=0.25\\\\\dfrac{1}{5}=0.2\\\\\dfrac{1}{6}=0.16\\\\\dfrac{1}{7}=0.14\\\\\dfrac{1}{8}=0.12\\\\\dfrac{1}{9}=0.11\\\\\dfrac{1}{10}=0.1[/tex]

Hence, the fraction that is less than 1/3 using 1 as a numerator are 1/4, 1/5, 1/6, 1/7, 1/8, 1/9, and 1/10.

To know more about fractions click the link given below.

https://brainly.com/question/1301963