Question

Prove the sum of two rational numbers is rational where a, b, c, and d are integers and b and d cannot be zero.


Steps Reasons
1. a over b plus c over d Given
2. ad over bd plus cb over bd
3. ad plus cb all over bd Simplify


Fill in the missing reason in the proof.
Multiply to get a common denominator.
Add to get a common denominator.
Distribute d to all terms.
Add d to all terms.

Answer 1

Hold onn

Answer 2

Haven't done this in a bit

Answer 3

I guess this is a warm up for you, right? If you don't know this, and I am not trying to be mean, you use Algebra in your daily life.

Answer 4

For example, when you go to the store and buy something, and you get change for the extra money you gave to the casher, that is a form of Algebra.

Answer 5

Ik

Answer 6

Sorry if I annoyed you. 😔

Answer 7

U gud

Answer 8

Thanks. I also fanned you so you can be one step closer to leveling up.

Answer 9

Hold on

Answer 10

I'm also helping my mom with lights