Answer:
Her mom and 8/21 needs to be washed.
Step-by-step explanation:
Hi There!
Find Common Denominators,
2/7 = 6/21
1/3 = 7/21
Her son washed the most lanudry.
6/21 + 7/21 = 13/21
21/21 - 13/21 = 8/21
8/21 of the laundry still needs to be washed.
Hope This Helps :)
