how to add frecions ?

Do you mean fractions? if so you have to add the numerators and keep the same denominator. For ex. 2 over 5 + 2 over 5 = 4 over 5

what are you talking about

sorry

Solve the equation

6 - x - x = 18

I apologize for the confusion. To add fractions, you need to have the same denominator. The denominator is the number on the bottom of the fraction. If the fractions you want to add have different denominators, you need to find a common denominator.

To find the common denominator, you can multiply the two denominators together. For example, if you have the fractions 2/5 and 3/7, the common denominator would be 5*7 = 35.

Once you have the common denominator, you can add the numerators together. The numerator is the number on the top of the fraction. Using the previous example, you would add the numerators 2 and 3, giving you 5.

So, the sum of 2/5 and 3/7 would be 5/35. However, it is usually simplified by dividing both the numerator and denominator by their greatest common divisor. In this case, the greatest common divisor of 5 and 35 is 5. Dividing both 5 and 35 by 5 gives us 1 and 7 respectively. Therefore, the simplified sum of 2/5 and 3/7 is 1/7.

I hope this clarifies how to add fractions. Let me know if you have any further questions!