Page 185 - Math Smart - 7

Method 2 We can also do it this way without the help of a diagram.
2^-2+^
^4-^+4
First, work out the number of quarters in the whole number part.
1
2 whole ones =2x4 quarters
= 8 quarters
8
- 4
8 ^ 3 _ 11
Add the total number of quarters. 4+4-4
So, 23=^.

O Convert each mixed number to an improper fractions.
To get the numerator of
a) 3f b) 10^-
the improper fraction,
multiply the number of
Solution
wholes by the number
-4 (3 X 7) + 4
a) of equal parts it is
- 1 '^10 10
divided into. Then add
_ 21+4 _ 100 + 9
" 7 10 the numerator in the
_ 1M fractional part.
- 25
10
~ 7 "
To convert a mixed number to an improper fraction,

• multiply the whole number by the denominator of the proper fraction and

• add this product to the numerator of the proper fraction.
The result is the numerator of the improper fraction. The denominator
remains unchanged.

Check My

Understanding

Convert the mixed numbers to improper fractions.

a) 1 b) 3I c) 4 d) e) 2|

9) 2I h) 2| i) 2| j) si