0
You don't need fractions if you are only ever dealing with whole numbers, or complete items. Fractions are needed to show parts of the whole - half a bar of chocolate, a slice taken from an apple pie, and so on.
Wiki User
∙ 8y ago
Add your answer:
Earn +20 pts
What you need to add or subtract fractions?
You need a common denominator in order to add or subtract fractions.
Do you need a common denominator for all fractions before doing the order of operations?
You DO need a common denominator to add, subtract, or compare fractions. You DO NOT need a common denominator to multiply or divide fractions.
Why do you convert unlike fractions?
Unlike fractions have denominators that are unequal, and therefore cannot be added or subtracted. If two fractions need to be added or subtracted they must first be converted to like fractions.
Is the fraction 1-10 equivalent fractions?
11
How is subtracting fractions like adding fractions?
You need a common denominator for both.
Do you need common denominators when subtracting fractions?
Yes. You need common denominators if you want to:Add fractionsSubtract fractionsCompare fractions ("which is larger?")You do not need common denominators to multiply or divide fractions. Thus, in the case of fractions, multiplication and division is actually easier than addition and subtraction.
Why do you need a common denominator with fractions?
You can add or subtract fractions only if they are "like" fractions, that is, only if they have the same denominator - unless you know your fractions really well.
How do you convert fractions to decimals on a ti 85?
I need help in how to convert fractions to decimals
Does 4 over 5 need to be simplified?
No, unless you want fractions over fractions.
What fractions are equivalent to 520?
what fractions are equivalent to 5/20
How do you get the common denominator for dividing fractions?
You don't need a common denominator to divide fractions.
Do you need a space when timesing fractions?
No.
