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