159k views
10 votes
How much do you have to add to 3/2 to make it equal to the sum of 11/5 and 4 1/2?

User Syed Sajid
by
8.2k points

1 Answer

4 votes

Explanation:

sum is addition

3/2+x=11/5+4 1/2

get x alone by using opposite operation to get 3/2 on other side of equal sign

3/2 is being added to x, so the opposite is subtracting

3/2-3/2+x=11/5+4 1/2-3/2

3/2 cancels out on the left

x=11/5+4 1/2-3/2

need same denominator, all denominators are factors of 10

2×5

multiply top and bottom of each fraction to get denominator of 10

(11/5)*(2/2)

(4/1)*(10/10) and (1/2)*(5/5)

(3/2)*(5/5)

multiply top and bottom and add

x=(22/10)+(4/10)+(5/10)-(15/10)

add all numerators

x=(22+4+5-15)/10

x=16/10

now simplifydivide by 2 on top and bottom

x=(16/10)÷(2/2)

x=8÷5

5/5 is 1, and there is 3/5 left

so x=1 3/5

User Parakmiakos
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories