Fractions Flashcards
1
Q
Proper fraction =
A
denominator > Nuemerator
2
Q
Improper fraction =
A
Num > Denom
3
Q
If you add the same number to the num and denom of
2/3, what happens in general?
A
It gets closer to 1
= 3/4 (getting bigger)
4
Q
If you add the same number to the num and denom of
6/5, what happens in general?
A
It gets closer to 1
= 7/6 (getting smaller)
Remember cross multiply trick to compare fractions
5
Q
When ________ or _____________ NEVER EVER EVER SPLIT the Denominator in a ___________ fraction?
A
adding, subtracting, complex
EX.
2/(2+5)
or
(3-x) / (x-y)
6
Q
How to know if numbers are reciprocals?
A
Multiply together, if it = 1, then true.
EX.
(Square root of 3) /2 AND (2 square root of 3)/3
