Dividing Fractions - World of Teaching

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Transcript Dividing Fractions - World of Teaching

Dividing Fractions
by
Dr. Emerlina C. Binuya
• Step 1. Invert the divisor.
• Step 2. Change the division sign
to a multiplication sign.
• Step 3. Cross cancel if you can.
Multiply the numerators.
Multiply the denominators
How to divide fractions and whole
numbers.
* Write the whole number as a fraction. Use 1 as the
denominator.
• Divide 3 ÷2/3 = 3/1 ÷ 2/3
• Step 1. Write the whole number as a
Fraction. 3/1 ÷ 2/3
• Step 2. Invert the divisor. Change the
division sign to a multiplication sign.
3/1 x 3/2.
• Step 3. Multiply the numerators
and denominators. 3x3 = 9/2
1x2
• Step 4. Write the improper
fraction as a mixed number.
9/2 = 4 and 1/2.
Reminder:
To change an improper fraction to a mixed
number, divide the numerator by the
denominator. Put the remainder over the
denominator.
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