AI Tutor
Imagine you have a box of 12 fresh cookies, and you want to share one-third of them with a friend. How many cookies do you give them?
A fraction with a 1 on top, like 12\frac{1}{2}, 13\frac{1}{3}, or 14\frac{1}{4}, is called a unit fraction. The bottom number is the denominator, and it tells us how many equal groups to make.
How do we split a big pile of things into equal groups without guessing? Let's look at the secret connection.

Splitting into Equal Groups

To find 13\frac{1}{3} of 12 cookies, we share all 12 cookies equally into 3 plates. Sharing a total into equal groups is just division!
What if we have a bigger number or a different fraction, like finding one-fourth of 20 stickers?

The One-Step Rule

To find 1n\frac{1}{n} of any amount, simply divide the total by the denominator (the bottom number). So 14\frac{1}{4} of 20 is just 20÷4=520 \div 4 = 5.
Watch out for a tricky trap that catches many learners when the bottom number gets bigger!

A Common Trap