Respuesta :

Answer:

8 over 7

Step-by-step explanation:

Convert the mixed numbers to improper fractions, then find the LCD and combine.

Glad I could help!!

Answer:

1 1/7

Step-by-step explanation:

-9 2/7- -10 3/7

Use KEEP CHANGE CHANGE

KEEP-FIRST NUMBER

CHANGE THE SIGN

CHANGE SYMBOL