Answer:
1/14
Step-by-step explanation:
Change the fractions to have a common denominator. The simplest choice for denominator is to just multiply the denominators, i.e., we want to go to /2 * /7 = /14.
So 1/2 = 7/14 and 3/7 = 6/14.
1 whole is 14/14.
14/14 - 7/14 - 6/14 = 1/14
