0
Suppose you had the sum 3/4+1/8-5/6. First - make the fractions all the same... 3/4 = 6/8, so 6/8+1/8=7/8.
Next, you want to subtract 5/6. Again - make everything have the same denominator, so... 7/8 (from the previous sum) equals 21/24, and 5/6=20/24.
This gives you the final sum 21/24-20/24=1/24
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
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.
To add and subtract fractions less than 1 you add or subtract only the what?
Numerators
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
What is the requirement to add or to subtract fractions?
The denominator (bottom number) must be the same for all the fractions being added or subtracted together.
What are the advantages of writing fractions in deciamal form?
Fractions in decimal form are easy to compare and to add and subtract from one another.
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.
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 .
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.
