Answer:
3. The LCD (Least Common Denominator) of the fractions
Step-by-step explanation:
This is the first step to do in order to be able to properly add the fractions.
Answer:
to estimate the sum you round to the closest number like 38 is closest to 40 so you just say you total is $40.00
difference is when say you have 30 dollars and you spend 10 the difference is 10 dollars
Find the pattern for every 8 years and you have your answer.