Multiply Fractions Cross Cancel

To multiply fractions you

• look to see if you can cross cancel then multiply straight across

• use cross products

• multiply the numerators and keep the denominators the same

• flip the second fraction then multipy

Tags

CCSS.5.NF.B.6

• 5/6
• 3/15
• 3/8
• 2/15

Tags

CCSS.5.NF.B.6

To divide fractions you

• change it to multiplication

• cross cancel

• flip the first fraction then multiply

• flip the second fraction then multiply

Tags

CCSS.6.NS.A.1

• 8  ¹/35
• 8  ¹²/35
• 9
• 8  ⁴/₁₅

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

With cross canceling solve 4/5 x 5/9

• 2/3

• 9/14

• 1 /4

• 4/9

Tags

CCSS.5.NF.B.6

3/7 x 7/3

• 21/3

• 21/21

• 7/21

• 1

Tags

CCSS.5.NF.B.6

Multiply these fractions with cross canceling: \(\frac{8}{11} \times \frac{33}{16}\)

Tags

CCSS.5.NF.B.6

Tags

CCSS.5.NF.B.6

Tags

CCSS.5.NF.B.6

6/11 x 5/6

• 15/33

• 30/66

• 11/17

• 5/11

Tags

CCSS.5.NF.B.6