Mixed to Improper

Mixed Fractions & Improper Fractions Activity | Math Lesson Plans

Slidkalniņš: 1
3 5/12 ...
Meghan comes to the campfire with 3 5/12 chocolate bars. (She and Jamie had eaten some on their way.)
Slidkalniņš: 2
becomes 41/12
Little Jamie breaks apart all the bars into pieces. Now there are 41/12 chocolate bars. Thanks, Jamie.
Slidkalniņš: 3
3 5/12 = 41/12
The amount of chocolate has remained the same. Making s'mores may require some more work, but we haven't lost any chocolate.
Slidkalniņš: 4
How to Convert
I will show you how to re-name-inate.
Besides counting up the pieces, we can use a few shortcuts to find an equivalent fraction of a mixed number.
Slidkalniņš: 5
Addition
12
12
5
12
12/12 + 12/12 + 12/12 + 5/12 = 41/12
Rename the whole number as a fraction(s) that has the same denominator as your partial fraction. Add the fraction piece to the wholes.
Slidkalniņš: 6
Standard Algorithm
512
3
+
x
4112
(3 x 12) + 5 = 41
Multiply the whole number by the denominator. Add the old numerator to get a new numerator. Place over denominator.

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