How to plot fractions on graph?

$\frac{(a-b{)}^3+(b-c{)}^3+(c-a{)}^3}{3(a-b)(b-c)(c-a)}=?$

What is the value of above expression?

The simplest form of $\frac{273}{195}$ is…..?   

A cake is distributed among 5 friends. Four of them get $\frac{1}{8}, \frac{1}{6}, \frac{5}{12}$ and $\frac{1}{12}$, and as shares. What part of the cake will be got by the fifth friend?

Write the fraction represented by the shaded region without simplification.

Draw number lines and locate the points on them:

$\frac{1}{2}, \frac{1}{4}, \frac{3}{4}, \frac{4}{4}$

Write the fraction representing the shaded portion:

If the fraction representing the shaded portion is $\frac{k}{9}$, then find the value of $k$.

Arya, Abhimanyu, and Vivek shared lunch. Arya has brought two sandwiches, one made of vegetable and one of jam. The other two boys forgot to bring their lunch. Arya agreed to share his sandwiches so that each person will have an equal share of each sandwich.

How can Arya divide his sandwiches so that each person has an equal share?

Write the fraction representing the shaded portion without simplifying.

Write natural numbers from $1$ to $50$. What fraction of them are prime numbers?