math
posted by Anonymous .
using common denominators find the sum
or difference.write it in simplest form 1/2 +1/10=

1/2 = 5/10
5/10 + 1/10 = ? 
don't understand ,need common denominator ,the sum in simplest form
1/2+1/10 = 
The only way you can add or subtract fractions is if they have the same denominator.
Think of money. A half dollar is the same as 50 cents, right?
Think of a pizza. If you divide it into 10 equal pieces, and eat 5 of them, you've eaten 1/2 a pizza.
Study this site carefully.
http://www.mathsisfun.com/numbers/commondenominator.html
I hope that makes it clearer.
5/10 + 1/10 = 6/10