Download Fraction Brochure

Fraction Vocab:
Simplifying
Fractions:
Numerator -
Method 1:
Top number of a fraction
1) Find the common factors of the
numerator and the denominator.
Denominator Bottom number of a fraction
Improper Fraction Fraction when the highest of the
two numbers is on the top
Greatest Common Factor
(GCF)
The largest factor of two or
more numbers
Least Common Denominator
The least common multiple
(LCM) of the denominators of
two or more fractions.
2) Divide the numerator and the
denominator by their lowest
common factor.
3) Find the common factors of the
numerator and denominator in
the resulting fraction.
he smallest factor of two
numbers.
Performing
Operations
On Fractions!
4) Keep dividing by a common factor until there are no common
factors other than 1.
Method 2:
1) Find the GCF of the numerator
and the denominator.
2) Divide the numerator and the
denominator by their greatest
common factor (GCF).
Steps to finding GCF:
a. Write the factors of all your numbers
b. Look for all the numbers that are
the same
Least Common Multiple-
6th Grade Mathematics
c. The highest common number is
Sources:
http://www.mathsisfun.com/fractionsmenu.html
Adding &
Subtracting
Same Denominators
Steps:
1) Add the numerators of both fractions
2) Keep the denominator the same
Different Denominators
Steps:
1) Find the least common denominator.
2) Write both original fractions as
equivalent fractions with the least
common denominator.
3) Add (or subtract) the numerators.
4) Write the result with the denominator.
Multiplication
Division
Steps:
Steps:
1) Multiply the numerator by the
numerator.
1) Turn the second fraction (the
one you want to divide by) upside-down
2) Multiply the denominator by the
denominator.
2) Multiply the first fraction by
that reciprocal
3)
Simplify the fraction (if needed)