Question

Jenny ate 7 / 10 of a pizza. Audrey ate another 2 / 11 of the same pizza. What fraction of the pizza was left?

Answer 1

Answer:

2 slices are left byy

Step-by-step explanation:

Not sure

Answer 2

Answer:

$\frac{13}{110}$

Step-by-step explanation:

Let the fraction left be x.

A.T.Q.

$\frac{7}{10} + \frac{2}{11} + x = 1$

$\frac{77 + 20 + 110x}{110} = 1$

$97 + 110x = 110$

$110x = 13$

$x = \frac{13}{110}$