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I do it by finding a common denominator.
For example, 2/3 - 1/5.
The least common denominator is 15. 2/3 = 10/15, and 1/5 = 3/15, the difference of which is 7/15.
Here is another example:
5/6 - 2/3. In this case, the least common denominator is 6.
2/3 = 4/6, and 5/6 - 4/6 = 1/6.
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How do you add and subtract fractions with the same denominator?
it stay the same when you subtract fractions and when you add fractions.
What you need to add or subtract fractions?
You need a common denominator in order to add or subtract fractions.
Is it important to know how to add and subtract fractions why?
it is important to learn how to add and subtract fractions because we can use it when a time comes , when we have our own business and others .
When you add or subtract fractions with unlike denominators why do you have to find LCM?
Because to add fractions, the denominators must be equal.
How do you subtract mixed numbers with regrouping?
you take away one of the whole number=then you add or subtract your fractions=
How do you add and subtract fractions with the same denominator?
it stay the same when you subtract fractions and when you add fractions.
What you need to add or subtract fractions?
You need a common denominator in order to add or subtract fractions.
How do you add and subtract dissimilar fractions?
Make the fractions equivalent then subtract
Do you add and subtract like and unlike fractions in the same way?
no, to add and subtract like and unlike fractions the denominator has to be the same,
How do you add two fractions that have like denominators?
In fractions, you can NEVER add or subtract
Why are two fractions converted into like fractions?
Because you can't add or subtract fractions that have different denominators. Making them like fractions, by multiplying so the denominators are the same, you can add and/or subtract them.
How do GCF and LCM involve with the real world?
Use the GCF to reduce fractions. Use the LCM to add and subtract unlike fractions. Carpenters work with fractions a lot.
To add and subtract fractions less than 1 you add or subtract only the what?
Numerators
Is it important to know how to add and subtract fractions why?
it is important to learn how to add and subtract fractions because we can use it when a time comes , when we have our own business and others .
One may add subtract multiply and divide fractions once one has found?
One may add, subtract, multiply and divide fractions once one has found the common denominator. Horse Isle Real Time Quiz Answer: common denominator
When you add and subtract fractions can the answer be a mixed number?
Yes.
When you add or subtract fractions with unlike denominators why do you have to find LCM?
Because to add fractions, the denominators must be equal.
