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What does it mean to model fractions?

When adding or subtracting fractions, you should do what first?

Fractions (+ & -)

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Questions 6

Answers

1
When adding or subtracting fractions, you should do what first?
cry
simplify
find the LED
find the LCD
2
What does it mean to model fractions?
to perform mathematical operations between them
to perform surgical operations between them
to draw a visual representation of them
to dress them up and make them strut down the runway
3
When adding/subtracting mixed numbers with an LCD, add/subtract the whole numbers and the fractions separately.
False
True
4
How can you rewrite a complex fraction such as \frac{\frac{1}{2}-\frac{5}{8}}{\frac{3}{4}+7}?
\left(\frac{1}{2}-\frac{5}{8}\right)\times\left(\frac{3}{4}+7\right)
\frac{1}{2}-\frac{5}{8}\div\frac{3}{4}+7
\left(\frac{1}{2}-\frac{5}{8}\right)\div\left(\frac{3}{4}+7\right)
5
What is the correct mnemonic for the order of operations?
UNOMAS
BEDMAS
CHRISTMAS
BADMAS
6
What is an LCD? (in math)
Leona Chase Dia
least common denominator
low cut denim
liquid crystal display