Fractions Worksheet Page 17
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367
2
of a garden is grass and
1
is paving.
5
3
(a) How much of the garden is grass and paving
together?
(b) How much of the garden is left?
1
8 Kai spends
of his allowance at the cinema and
1
on a
3
6
magazine. What fraction does he have left?
Multiplying fractions
To multiply two fractions you multiply the numerators,
and multiply the denominators.
Writing a fraction in its simplest
form is in Example 5.
Change mixed numbers to improper fractions before
multiplying.
You need to write the answer in its simplest form.
13
EXAMPLE
Multiply the numerators and the
4
3
2
1
4
Work out: (a)
(b)
3 5
(c) 1
denominators.
3
3
7
5
3
2
5
4
3
4 3 3
12
(a)
3
5
5
5
7
5
7 3 5
35
Write 5 as
. Then multiply
1
numerators and denominators.
2 3 5
2
2
5
(b)
3 5 5
3
5
3
3
1
3 3 1
The answer is written in its
simplest form.
10
5
3
1
5 3
3
1
4
3
4
1
(c) 1
First write 1
as an improper
3
5
3
2
5
2
5
2
fraction.
3 3 4
5
2 3 5
12
Write the answer as a mixed
5
10
number and then in its simplest
2
form.
5 1
10
1
5 1
5
76 Number
M03_CMC_SB_IGCSE_6850_U03.indd 76
9/6/09 16:45:13
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