Cynthia read 2/5 of her book over the weekend and 1/6 of it on monday what fraction of the book is left

Add 2/5 and 1/6 and then subtract the sum from 1.

2/5 + 1/6 = 12/30 + 5/30 = 17/30

She read 17/30 of the book.

1 - 17/30 = 30/30 - 17/30 = 13/30

13/30 of the book is left.

13/30

Evaluate: 1 - (2/5 + 1/6). Here the LCD is 30. Find:

30 12 5

- - = 13/30 of the book has not yet been read.

30 30 30