Question

Use properties of rational number to simplify the expression.

A.)129/7
B.)262/15
C.)122/7
D.)507/28

Answer 1

A.)129/7

Explanation:

25/4 + 24/7 + 35/4

I will add the two with common denominator together first

25/4 + 35/4 +24/7

60/4 +24/7

15 + 24/7

We need to get a common denominator of 7

15 *7/7 + 24/7

105/7 + 24/7

129/7