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18 votes
Kathryn is cooking pancakes. The recipe calls for 3 2/9 cups of flour. She accidentally put in 5 4/5 cups. how many extra cups did she put in?

2 Answers

12 votes
subtract
29/5 - 29/9
261/45 - 145/45
116/45
User Ahmed HENTETI
by
4.9k points
8 votes

Answer

So basically you need to subtract 5 4/5 - 3 2/9

then you do all this:

= (5-3) + (4/5 - 2/9)

= 2+ 4x9/5x9 - 2x5/9x5

= 2 + 36/45 - 10/45

= 2 + 36/45 - 10/45

= 2 + 26/45

= 2 26/45

So then the answer is 2 26/45

User Prancer
by
5.4k points