SOLUTION: What is 3/5+4/15

Question 831498: What is 3/5+4/15
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
The easiest way to do this is to find a common denominator.
Since 5 goes into 15, we'll use that.
3/5 = how many 15ths?
Multiply by 3 across
3*3 = 9; 5*3 = 15
9/15
Now add the 4/15ths
9 pieces of pizza in a 15 piece pie + 4 pieces of pizza in a 15 piece pie =
13 pieces of pizza in a 15 piece pie
13/15
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