How to get the GCF?
List the factors of each number, find the common ones, and choose the greatest.
What are similar fractions?
Fractions that have the same denominator.
What are dissimilar fractions?
Fractions that have different denominators.
Is the fraction in lowest term? Yes/No?
21/27
NO
Find the sum of 5/10+3/10 =?
4/5
What is the LCD of 3/8 and 5/12?
LCD: 24
Is the fraction in lowest term? Yes/No?
8/9
YES
Find the difference of 3/4-1/4 =?
1/2
Solve the problem:
1/4 +1/2=?
3/4
Change the fraction into its simplest form (lowest term).
24/32
3/4
Solve the problem:
3/10 + (8/10-1/10)=?
1
Solve the problem:
1/4 -1/8 =?
1/8
How to express a fraction in lowest terms?
Divide the numerator and denominator by their GCF
How to add or subtract similar fractions?
Add or subtract the numerators and keep the same denominator, then simplify if needed.
How to add or subtract dissimilar fractions?
First find a common denominator, convert the fractions, then add or subtract the numerators and simplify.