9/8 + 9/4 = 27/8.
Multiply 9/4 by 2.
9/4 • 2 = 18/8
Then, add the fractions.
9/8 + 18/8 = 27/8
Simplify 27/8.
27/8 = 3 3/8
Replace “a number” with x then add five to that so it would look like this x + 5
You also don’t have to replace “a number” with x it can be any letter but x is the most common letter used in these scenarios
12.57 * 4.11 = 51.6627...rounds to 51.66