12/10 an 15/6 as a mixed number

12/10 = 1 2/10 or 1 1/5

15/6 = 2 3/6 or 2 1/2.

To turn these fractions into mixed numbers you have to see how much times the denominator can go into the numerator and the amount of numbers left over. For 12/10, 10 can go into 12 1 time, so the whole number is 1. There is 2 numbers left over, so the numerator is 2 and you do not have to change the denominator. To simplify, divide the numerator and denominator by the highest number it can be divided to

Just divide 12 by 10 and get a remainder with the denominator of 10 then simplify.