Properties and Operations of Fractions Flashcards
1
Q
-½ = ²/4
A
Cross Multiply
(1)(4) = (2)(2)
4 = 4
2
Q
-a / b = a / -b = - a / b
or
-a / -b = a / b
A
3
Q
ac / bc = ?
A
a / b
4
Q
a / b ± c / b = ?
A
a ± c / b
5
Q
a / b ± c / d = ?
A
ad ± cb / bd
6
Q
(a / b)c / d = ?
A
ac / bd
7
Q
a / b ÷c / d = ?
A
a / b ÷ d / c
