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Mixed Numbers and Improper Fractions

Math lesson
by

Roseanne Laricchia

on 18 January 2015

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Transcript of Mixed Numbers and Improper Fractions

Mixed Numbers and Improper Fractions Review
IMPROPER FRACTION


Vs.

Mixed Numbers
Improper Fractions
What is a mixed number?
Mixed number
&
These are examples of mixed numbers
What is an improper fraction?
Total number of parts in each shape
These are examples of improper fractions
&
Converting an improper fraction to a mixed number
=
=
Notice how the denominator stays the same
when converting from an improper
fraction to a mixed number
=
=
=
Notice how the denominator stays the same when converting from a mixed number to an improper fraction
=
=
Adding Fractions
Adding fractions requires a common denominator

A + C = AD + CB = AD + CB
B + D = BD + BD = BD
Subtracting fractions requires a common denominator

A - C = AD - CB = AD - CB
B - D = BD - BD = BD
Subtracting Fractions
Multiplying Fractions
Multiplying fractions is easy

A * C = AC
B * D = BD
Dividing fractions requires one more step

A / C = A*D = AD
B D = B*C BC
Dividing Fractions
http://www.aplusmath.com/Worksheets/Fractions.htm
Click on the hyperlink below so you can practice adding, subtracting, multiplying, and dividing fractions!
The End
Numerator
Denominator
Remember, the denominator for the improper fraction is the number of sections in each shape (3 in this case).
An Improper Fraction is a fraction where the numerator is greater than the denominator
Mixed Number
MIXED NUMBER
IMPROPER FRACTION
Improper Fraction
Shaded parts in all the shapes
Number of fully shaded parts
Parts shaded in remaining shape
Number of total parts in each shape
An improper fraction
is greater than 1
because it has its
numerator greater
than the denominator.
Converting a mixed
number into
an improper fraction
To convert an improper fraction to a mixed number:
1. Divide the numerator by the denominator to find the whole number.
2. The remainder becomes the new numerator
3. The denominator remains the same.
What is an improper fraction
MAD
1. Multiply the denominator by the
whole number.
2. Add the product to the numerator.
3. Keep the denominator the same.
Full transcript