fractions xiii multiplication of whole numbers
DESCRIPTION
Fractions XIII Multiplication of Whole Numbers. How to Find the Fraction of a Whole Number. The first thing to remember is “of” means multiply in mathematics. of. x. =. How to Find the Fraction of a Whole Number. - PowerPoint PPT PresentationTRANSCRIPT
Fractions XIIIMultiplication of Whole
Numbers
How to Find the Fraction of a Whole Number
The first thing to remember is “of” means multiply in mathematics.
of = x
How to Find the Fraction of a Whole Number
Step 1 - When you see a fraction problem you know when you read “of” in the problem you multiply.
of 46x12
How to Find the Fraction of a Whole Number
Step 2 – Change your whole number to a fraction by adding a one underneath.
x 461
12
How to Find the Fraction of a Whole Number
Step 3 – Multiply your numerators straight across.
x 461
12 = 46
How to Find the Fraction of a Whole Number
Step 4 – Then multiply your denominators straight across.
x 461
12 = 46
2
How to Find the Fraction of a Whole Number
Step 5 – Simplify your answer. In this case we change an improper fraction to a mixed number or a whole number.
x 461
12 = 46
2 2)4623
Multiply and Simplify
361
13 = 36
3 3)3612ofx
Multiply and Simplify
181
16 = 18
6 6)183ofx
Multiply and Simplify
91
38 = 27
8 8)273ofx
243
38
Multiply and Simplify
61
78 = 42
8 8)425ofx
402
28
5 28
÷ 22
= 5 14÷
Multiply and Simplify
121
18 = 12
8 8)121ofx84
48
1 48
÷ 44
= 1 12÷
You’re reallygetting this!
Credits
Clipart from “Microsoft Clip Gallery” located on the Internet at http://cgl.microsoft.com/clipgallerylive/default.asp