10/3 = 3+3+3+1/3 {see how many of the number in the denominator = 3 you can make with the numerator = 10}
= 3×3+1/3 {You can have 3 times of the denominator in the numerator}
= 3 1/3 {three and one third}
{A mixed fraction is basically a number and a fraction}
Hope this helps! :)