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When should you use subtraction to solve a problem involving fractions?

You should use subtraction to solve a problem involving fractions when you need to determine the difference between two quantities. This could involve finding how much more one fraction is than another or calculating a remaining amount after taking away a certain fraction. Additionally, subtraction is appropriate when combining fractions that represent parts being removed from a whole. Always ensure the fractions have a common denominator before performing the subtraction.


What else Could you call the least common multiple in addition or subtraction problem involving fractions?

If you apply it to the denominators, you could call it the least common denominator.


Ways how to calculate a problem?

Depends on what kind of problem you are calculating? ((You need to be a little more specific)) There are many different types of problems you could be solving: division, subtraction, addition, fractions, percentages, etc.


What is a sentence including subtract and subtraction?

Having learned how to do subtraction, he could subtract one number from another.


Why do you use LCD to solve the addition and subtraction fractions?

Because you can't add or subtract fractions unless they have the same denominator, so when you run up against two fractions with different denominators, you have to find a single denominator that works for both of them. There are an infinite number of common denominators that you could use, but the easiest one to handle without making mistakes is going to be the smallest one, so it's worth knowing how to find it.


How do you use fractions on the TI-81 calculator?

You cant directly enter fractions, but you could enter it in as a division if you want to do simple things like multiplication, division, addition and subtraction. Eg:If you wanted to multiply 3 5ths by 4 6ths, you could put in the calculator:(3 / 5) x (4 / 6) = 0.4The answer of this sum could be written as a fraction: two 5ths Just to say, the numbers won't usually come out as whole as this, so if you want to do fractions on a calculator at the press of a button, buy a newer calculator. I'd recommend the CASIO Fx-115MS.


What are complex fractions?

They could be fractions in which the numerator or the denominator, or both, are complex numbers.


Could you have mixed fractions?

Yes.


Is it true that ancient Egyptians thought that all fractions could be written as unit fractions?

No. They thought that all fractions could be expressed as combinations of unit fractions. They and other ancients may have thought that any fraction could be wretten as a combination of unit fractions, but according to wikipedia they (ancient Egyptians) had special symbols for 2/3 and 3/4 and even had a papyrus used by scribes that listed the equivalents for 2/n, so they did not always write fractions as this combination of unit fractions. Does your question mean a combination of unit fractions, or as a unit fraction?


Where is are fractions used?

Well I could ask you... is the glass half full, or half empty? This question uses fractions.


Reduce the fractions in simplest form?

You could, if you wished to.


What mathematical operations could be done with pascaline?

the operation can be performed in pascaline is addition and subtraction..