Multiplication and Division of Rational 2. Only apply this when both numerators
Numbers and denominators are divisible or can be
divided.
How to multiply Rational Numbers?
DIVISION
S T E P S:
S T E P S:
Step 1: Write or re-write the given rational
numbers being solved. Step 1: Write or re-write the given rational
numbers being solved.
Example.
4 3 Step 2: Multiply the left numerator to the right
– x –- denominator. (Opposite to opposite.)
5 7
Example.
Step 2: Multiply numerators. (Numerators are 4 3
written or encoded above the line. Based from – x –-
the example, the numerators are 4 and 5) 5 7
Example. 4 x 3 = 12 4 x 7 = 28
Step 3: Multiply Denominators. (These are the Step 3: Multiply the right numerator to the left
numbers written or encoded below the line.) denominator.
Example. 5 x 7 = 35 Example. 3 x 5 = 15
Answer:
12 N O T E : If the answer can be reduced, do so.
— If not, then it is the final answer.
35
N O T E : If the answer can be reduced, do so.
If not, then it is the final answer.
To do so:
1. Multiply final answer using the number
written or encoded above the line.
(Numerators)
Numbers and denominators are divisible or can be
divided.
How to multiply Rational Numbers?
DIVISION
S T E P S:
S T E P S:
Step 1: Write or re-write the given rational
numbers being solved. Step 1: Write or re-write the given rational
numbers being solved.
Example.
4 3 Step 2: Multiply the left numerator to the right
– x –- denominator. (Opposite to opposite.)
5 7
Example.
Step 2: Multiply numerators. (Numerators are 4 3
written or encoded above the line. Based from – x –-
the example, the numerators are 4 and 5) 5 7
Example. 4 x 3 = 12 4 x 7 = 28
Step 3: Multiply Denominators. (These are the Step 3: Multiply the right numerator to the left
numbers written or encoded below the line.) denominator.
Example. 5 x 7 = 35 Example. 3 x 5 = 15
Answer:
12 N O T E : If the answer can be reduced, do so.
— If not, then it is the final answer.
35
N O T E : If the answer can be reduced, do so.
If not, then it is the final answer.
To do so:
1. Multiply final answer using the number
written or encoded above the line.
(Numerators)
