How to Multiply a Mixed Number by a Whole Number?

Practice Unlimited Questions

1. The video below explains how to multiply fractions.

    2. What is
1 1
4
 ×  3?

square metre or square meter

     
1 1
4
 ×  3

= 
(1 x 4) + 1
4
 × 
3
1
   (First, change the mixed number to improper fraction)
= 
5
4
 × 
3
1

= 
5 x 3
4 x 1
   (Second, multiply the fractions)
= 
15
4

= 
3 3
4
   (Finally, change the improper fraction to a mixed number)

    3. What is
1 1
4
 ×  6?

     
1 1
4
 of  6

= 
(1 x 4) + 1
4
 × 
6
1

= 
 5
24
 × 
 63
1
   (simplify)
= 
5 x 3
2 x 1

= 
15
2

= 
7 1
2