Post on 19-Jan-2018
description
Multiplying Fractions and Mixed Numbers
Objective:
Learn to multiply fractions and mixed numbers.
To multiply fractions, multiply the numerators and the denominators. Then simplify. Example 1
1 × 2 2 3 =
2 6
1 3
Example 2
2 × 3
4
2 × 3 1 4
6 4
1 2 = 1 1
4 2
Steps: 1. First write 2 as 2 1 2. Multiply the
numerators.3. Multiply the
denominators.4. Simplify 5. Convert any improper
fractions to a mixed number.
Your Examples: 3 × 1 5 2
2 × 4 3
9× 1 2
1 × 8 4 9
When multiplying fractions, if the numerator and the denominator of either fraction have common factors, you can simplify before multiplying. 3 × 2 16 18
5 × 312 15
5 × 3 6 5
4 × 427 16
When Multiplying Mixed Numbers:First convert the mixed number to an improper fraction. Then multiply normally and simplify.
1× 8 4 4 9
1 7 × 2 2 8 5