He needs to change one of each pair of fractions so that they have a common denominator.
2/3 + 2/9
Then add the numerators.
6/9 + 2/9 = 8/9
You can both study this site.
http://www.mathsisfun.com/fractions_addition.html
I'll be glad to check his answers for the rest of the problems.
My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems.
1. 2/3+2/9=
2. 3/5+3/10=
3. 5/12+1/3=
4. Find the sum of 1/6 and 1/12
5. Add 1/4 to the answer in Exercise 4.
6. What is the sum of 1/8, 1/4, and 3/8?
7. Add 1/3, 3/12, and 5/12.
2 answers
What is the answer in words for 71.209