Ava read #1/4# of a book on Monday, and #1/5# of it on Tuesday. There are 80 pages in the book. How many pages did she read altogether on both days?

2 Answers
Rory K.
Aug 15, 2016

Ava read 36 pages

Explanation:

Add 1/4 and 1/5 to get 9/20, So she read 9 out of every 20 pages which implies (x4) that she read 36 of the 80 pages.

EZ as pi
Aug 15, 2016

#36 " pages"#

Explanation:

We can work out each fraction separately and add the number of pages. We can also add the fractions and work out the number of pages as a single amount.

#1/4 xx80 + 1/5 xx80#

=#20 + 16#

=#36 " pages"#

OR #1/4 +1/5= (5+4)/20#

#9/cancel20 xx cancel80^4#

=# 36 " pages"#

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