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The first step it to find a common multiple to the denominators. The least common denominator is preferable because it is small but it is not necessary to find the least one. Next, convert each fraction into an equivalent factor with the common multiple as its denominator. Add together all the numerators and place this over the common denominator. Finally, simplify the answer, if possible.

For example

1/4 + 1/5 + 1/6

Find a common multiple: 4*5*6 = 120 (which is also the LCM).

Find equivalent fractions: 1/4 = 30/120, 1/5 = 24/120 and 1/6 = 20/120

So 1/4 + 1/5 + 1/6 = (30 + 24 + 20)/120 = 74/120

Simplify to 37/60.

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7y ago
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7y ago

To add, subtract, or compare fractions which have different denominators, you must1) Find a common denominator

2) Convert the fractions into equivalent fractions, with that common denominator.

3) Presumably you already know how to add fractions with the same denominator.

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7y ago

Convert them to equivalent fractions with common denominators and proceed.

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Q: How do we add dissimilar fraction?
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Related questions

How do you add a dissimilar fraction?

By finding their lowest common denominator


Definition of dissimilar fractions?

A dissimilar fraction is a fraction where the denominator is not the same as the others .


How do you add the dissimilar fraction?

You have to convert them to equivalent similar fractions (fractions with the same denominator) first.


How do you solve dissimilar fraction?

To solve a Dissimilar Fraction,you must change the denominator to a similar fraction then proceed with the Adding/Subtracting Dissimilar Fraction...


What are the instruction in adding dissimilar fraction?

You must first convert the fractions to a common denominator. Then just add the numerators (the top part of the fraction).


What is the difference between dissimilar fraction and proper fraction?

A proper fraction is one fraction in which the numerator is smaller than the denominator. Dissimilar fractions are two or more fractions whose denominators are different (dissimilar).


Why do you have to change similar fraction to dissimilar fraction?

You don't.


What is the definition of similar and dissimilar fractions?

similar fraction is the same denominator and dissimilar fraction is cannot the same denominators


What is a fraction with different denominators called?

Unlike or dissimilar fraction.


What is Dissimilar fraction means?

A fraction whose denominator is different to that of some reference fraction.


Meaning of dissimilar fraction?

Dissimilar fractions are not equivalent as for example 1/2 is the same as 2/4 but 3/5 and 2/7 are dissimilar fractions


Is dissimilar fractions can be discovered as proper fraction?

Dissimilar fractions may or may not be proper fractions.