Here are the steps to solve these multiplication of fractions problems: 2/3 x 1/6 = 1/12 4/5 x 1/4 = 1/5 2/7 x 3/4 = 3/28 Let me know if you need any help explaining the steps!

1. Math Workshop
November 16 and 17, 2011
Multiplication of Fractions

2. Essential Question and Standards
• How do we find the product by
multiplying fractions?
• Standards: {MA.5.M5N4.d} Model the
multiplication and division of common
fractions.

3. Problem
During the World Cup 2/3 of the
world
were watching the final. Of those
people 1/4 of them were Spanish
speaking. What fraction of the viewers
of the World Cup spoke Spanish?

4. Step by Step
2 x
1 =
3 4
Step 1 Step 2 Step 3
Line the numerator Multiply the Simplify the product
by numerator and the numerator by finding the GCF of
denominator by the numerator and the the numerator and
denominator. denominator by the denominator and
2 1
denominator.
2 1 2
dividing.
x = 2 12
3 x 4 = 3 x 4 = 12
2 ÷ =
12 ÷ =
1/6 of the World Cup viewers were Spanish speaking!

5. Try these, be sure to simplify.
2 1
x =
3 6
4 x
1 =
5 4
2 x
3 =
7 4

6. Try these, be sure to simplify.
2 1
x =
3 6
4 x
1 =
5 4
2 x
3 =
7 4