Answer the following : (3 mark each)

Question 13 Marks

Observe carefully the following picture and answer the following questions based on it.
$(a)$ Add the fractions of the whole represented by $B$ and $C.$
$(b)$ What fraction of the whole is not shaded?

Answer

$(a)$ $\frac{1}{4}$
$(b)$ $\frac{1}{2}$

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Question 23 Marks

What should be subtracted from $\frac{19}{37}$ to get $\frac{1}{37}$ ? Add your answer to $\frac{1}{37}$.

Answer

$\frac{18}{37}, \frac{19}{37}$

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Question 33 Marks

What should be added to $\frac{5}{7}$ to get $\frac{11}{7}$ ? Add your answer to $\frac{5}{7}$.

Answer

$\frac{6}{7}, \frac{11}{7}$

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Question 43 Marks

Encircle the whole number part in the following fractions.
$1 \frac{5}{7}, \quad 5 \frac{5}{7}, \quad 10 \frac{1}{2}, \quad 16 \frac{13}{17}, \quad 99 \frac{1}{2}$

Answer

$(1)$ $\frac{5}{7}$, $(5)$ $\frac{5}{7}$, $(10)$ $\frac{1}{2}$, $(16)$ $\frac{13}{17}$, $(9)$ $\frac{1}{2}$

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Question 53 Marks

Subtract $\frac{5}{17}$ from the sum of $\frac{2}{17}$ and $\frac{3}{17}.$

Answer

$0$

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Question 63 Marks

Group all the proper fractions in a $(a)$ rectangle and improper fractions in $(b)$ rectangle provided below.
$\frac{13}{7}, \frac{1}{3}, \frac{49}{51}, \frac{19}{21}, \frac{1}{7}, \frac{4}{13}, \frac{51}{52}, \frac{16}{97}, \frac{118}{53}, \frac{6}{6}$
$(a)$

$(b)$

Answer

Proper fractions: $\frac{1}{3}, \frac{1}{7}, \frac{49}{51}, \frac{19}{21}, \frac{4}{13}, \frac{51}{52}, \frac{16}{97}$ and Improper fractions: $\frac{13}{7}, \frac{118}{53}, \frac{6}{6}$

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Question 73 Marks

Write the mixed fraction for the shaded parts and convert it into improper fraction.