Exercise 26 Page 334

When adding or subtracting fractions, they should have the same denominator. In this exercise, we have two fractions with different denominators. 1/3 - 1/6Since 6 is a multiple of 3, we can multiply both the numerator and denominator of 13 by 2 to create a common denominator.

Now that we have a common denominator, we can proceed to simplifying the expression.