SOLUTION: Tom and Sally ordered a pizza. Tom ate 1/3 of the pizza and Sally had 2/5. How much pizza is left over? I added the fractions and got 11/15 for how much they ate but how do I figu

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Tom and Sally ordered a pizza. Tom ate 1/3 of the pizza and Sally had 2/5. How much pizza is left over? I added the fractions and got 11/15 for how much they ate but how do I figu      Log On


   

Question 862319: Tom and Sally ordered a pizza. Tom ate 1/3 of the pizza and Sally had 2/5. How much pizza is left over?
I added the fractions and got 11/15 for how much they ate but how do I figure out how much is left?
Found 2 solutions by ewatrrr, josmiceli:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

1%2F3+%2B+2%2F5+=+5%2F15+%2B+6%2F15+=+11%2F15  Good Work

+1+-+11%2F15+=+15%2F15+-+11%2F15+=+4%2F15

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+1%2F3+%2B+2%2F5+=+5%2F15+%2B+6%2F15+
+5%2F15+%2B+6%2F15+=+11%2F15+
-------------------------
You can say the whole pizza is
+15%2F15+, or a whole pizza
---------------------------
After you take away +11%2F15+,
you have +15%2F15+-+11%2F15+=+4%2F15+
of the pizza left