Uploaded by Samantha Harvey

Multiply and Divide Fractions HomeworkHelp

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f ractions help
2 fractions
2x1
8 2
fraction & whole number
5 x 34
rewrite the whole
number as an
improper fraction
2x1 = 2
8 2
5 = 51
multiply denominators multiply across
1
2x1 = 2
8 2 16
simplify
2
1
=
8
16
2
1x4= 4
2 3 6
simplify
4
2
=
6
3
DIVIDE
15 =
4
3 34
1
2
3
2 13 = 37
multiply across
7 x 7 = 49
3 8 24
simplify
49 = 1
24 224
1
2
3
whole number by a fraction fraction by a whole number
5
find the reciprocal of
the 2nd number
1 3 4
2 4 3
replace with x
multiply across
simplify
3
2 fractions
1 3
2 4
1x4
2 3
5 x 3 = 15
4
1 4
convert mixed numbers
to improper fractions
1
2
3
4
2
3
1
2
4
convert whole number convert whole number
to improper fraction to improper fraction
5=5
4=4
1
1
2
3
4
1
1
2
3
4
find the reciprocal of
the 2nd number
5 1 2
1 2 1
replace with x
now multiply across
5 x 2 = 10
find the reciprocal of
the 2nd number
2 4 1
3 1 4
replace with x
now multiply across
2x1= 2
simplify
simplify
1
1
1
10 =
1 10
3
4
2 =1
12 6
12
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MULTIPLY
multiply numerators
mixed numbers
2 13 x 78
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