Learn about Mixed Numbers In this lesson let’s learn about mixed numbers and how we write them. We’ll do two problems, before we start lets understand what a mixed number is. A mixed number is made up of a whole number and a fraction part. It's a whole number part and a fraction part, the whole number part could be 3, and the fraction could be 3/4, write the whole number first, then write the fraction. This is the same as 3+3/4, so another way to explain it or actually do it using the problem; we need to write 3 and 1/2 as a mixed number right, so the easy way to do is we write the whole number first which are 3 and the fraction 1/2. Another way of doing this is let’s imagine I have three rulers and then half a ruler. How many whole rulers do we have? Three, and half the ruler is the fraction so we write 1/2 as half. Let’s do another problem, it says write a mixed number for the picture given below, well this is the whole part. It's covered, colored and it's entirely the whole, how many holes do we have? We have just one that is whole right? And the fraction part, well if this represents the fraction we have 4 parts of which 3 are shaded, so 3 parts out of 4 are shaded. So the whole number part is 1, the fraction part is 3 parts out of 4 so what’s the mixed number, 1 3/4.