31-21=15
Answer: 15m
Answer check: 36+15=51✅
whats the question you are just saying the answer
Answer:

Step-by-step explanation:
We are required to reduce the expression below to its simplest form

<u>STEP 1: </u>Remove the brackets
Take note that the product of same sign(- and -) will give you the addition sign.

<u>STEP 2:</u> Find the Lowest Common Multiple of 8 and 6
Lowest Common Multiple of 8 and 6 is 24
<u>STEP 3:</u> Use the LCM to Simplify
Therefore:

Mean number simply means average.