FRACTION RULES Flashcards
1
Q
Adding fractions with common denominators
A
A / B + C / B = A + C/ B
2
Q
Subtracting fractions with common denominators
A
A / B - C / B = A - C / C
3
Q
Adding fractions with different denominators
A
A / B + C / D = AD / BD + BC / BD = AD + BC / BD
4
Q
Subtracting fractions with different denominators
A
A / B - C / D = AD / BD - BC / BD = AD - BC / BD
5
Q
Multiplying fractions
A
A / B * C / D = A * C / B * D
6
Q
Dividing fractions
A
A / B ÷ C / D = A * D / B * C
