Step-by-step explanation:
Look at te picture.
[tex]\dfrac{7}{4}=\dfrac{4+3}{4}=\dfrac{4}{4}+\dfrac{3}{4}=1\dfrac{3}{7}[/tex]
We divide the number line segment between 1 and 2 into four the same parts. Each of these parts represents a distance of 1/4.