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Why did Egyptians use odd fractions?
Because they belived that the one was easy enought to create fractions and help them in there every day work. The would add two fractions together to get there answer and that would be how they completed there every day jobs.
What are the disadvantages of fractions?
The main disadvantage of their use is that so few people know how to work with them.
What is a situation in which you would use fractions to express a number less than one What is a situation in which decimals seem to work better?
The fraction 1/3=0.3333333... In this case it is better to use fractions just like in all cases. There will be no case when decimals will work better than fractions however, if a test says to use decimals; USE THEM!
What is a situation in which decimals seem to work better than fractions?
when you are trying to find a price
How do you add fractions on the ti 84 plus?
With the latest TI-84 updates, you can work with fractions as actual fractions - not operators or decimals. To insert a fraction press Alpha > F1 > 1:n/d. Enter a couple of numbers, press the "+" sign, do it again, press enter, and you will get your answer!
