Simplify each of the following expressions.

A. 2/5-1/6 B. 3/7-7/14 C. 5/8-2/3

1.) 2/5-1/6

Multiply the denominator until both denominators are the same

12/30 - 5/30

Subtract the numerator but NOT the denominator

Final Answer: 7/30

2.) 3/7-7/14

Multiply the denominator until both denominators are the same common denominator

6/14 - 7/14

Subtract the numerator but NOT the denominator

Final Answer: - 1/14

3.) 5/8-2/3

Multiply the denominator until both denominators are the same

15/24 - 16/24

Subtract the numerator but NOT the denominator

Final Answer: - 1/24