Answer:
1/6
Step-by-step explanation:
First you make the denominator on the fractions the same
3 * 2 = 6
Multiply the number the same for the numerator
3 * 1 = 3
so the fraction is 3/6 since 3/6 = 1/2
4/6 - 3/6 = 1/6
she has 1/6 pipe left
