S.chand class 6 Mathematics Chapter 5 Exercise 5C

 Exercise 5C

Question 1

1. Add or Subtract:

(i) $\frac{1}{5}+\frac{2}{5}$

(ii) $\frac{3}{11}+\frac{4}{11}$

(iii) $\frac{1}{16}+\frac{7}{16}$

(iv) $\frac{15}{23}-\frac{9}{23}$

(v) $\frac{10}{37}+\frac{19}{37}$

(vi) $\frac{21}{43}-\frac{19}{43}$

(vii) $1-\frac{9}{10}$

(viii) $\frac{26}{75}-\frac{24}{75}$

(ix) $\frac{200}{517}+\frac{317}{517}$

(x) $\frac{1}{19}+\frac{5}{19}+\frac{10}{19}$

(xi) $\frac{11}{25}+\frac{2}{25}+\frac{7}{25}$

2. (i) $2 \frac{1}{5}+1 \frac{3}{5}$

(ii) $9 \frac{9}{14}-5 \frac{3}{14}$

(iii) $37 \frac{13}{18}-24 \frac{7}{18}$

(iv) $101 \frac{11}{31}+99 \frac{10}{31}$

Question 2

2. (i) $2 \frac{1}{5}+1 \frac{3}{5}$

(ii) $9 \frac{9}{14}-5 \frac{3}{14}$

(iii) $37 \frac{13}{18}-24 \frac{7}{18}$

(iv) $101 \frac{11}{31}+99 \frac{10}{31}$

3. Solve the following.

(i) $\frac{1}{7}+\frac{3}{14}$

(ii) $\frac{1}{6}+\frac{5}{12}$

(iii) $\frac{1}{6}+\frac{7}{9}$

(iv) $\frac{5}{6}+\frac{3}{4}$

(v) $\frac{7}{8}-\frac{2}{3}$

(vi) $\frac{7}{12}-\frac{1}{4}$

(vii) $\frac{5}{14}-\frac{5}{21}$

(viii) $\frac{7}{12}-\frac{1}{2}$

4. Simplify:

(i) $7 \frac{1}{12}+3 \frac{1}{3}$

(ii) $17 \frac{1}{6}+12 \frac{1}{4}$

(iii) $8 \frac{5}{6}-2 \frac{3}{4}$

(iv) $36 \frac{5}{8}-24 \frac{5}{12}$

5. Simplify:

(i) $\frac{7}{10}+\frac{8}{9}+\frac{16}{15}$

(ii) $\left(\frac{1}{8}+\frac{3}{10}\right)-\frac{1}{4}$

(iii) $\frac{17}{12}-\left(\frac{1}{6}+\frac{5}{18}\right)$

6. Simplify:

(i) $7 \frac{2}{3}+1 \frac{5}{9}+4 \frac{7}{12}$

(ii) $3 \frac{7}{10}+9 \frac{21}{100}+1 \frac{3}{5}$

(iii) $6 \frac{3}{4}-4 \frac{2}{3}+1 \frac{7}{12}$

(iv) $7+5 \frac{1}{8}-3 \frac{1}{4}$

7. Of $5 \frac{2}{3}$ and $3 \frac{3}{4}$, which is greater and by how much?

8. What should be added to $8 \frac{3}{7}$ to get $11 \frac{11}{14}$ ?

9. What must be subtracted from $5 \frac{1}{6}$ to get $2 \frac{11}{18}$ ?

Multiple Choice Questions (MCQs) 

Tick (✔) the correct option.

10. Which expression does not have a sum of $6 \frac{3}{10}$ ?

(a) $1 \frac{1}{20}+5 \frac{1}{4}$

(b) $3 \frac{1}{5}+3 \frac{1}{10}$

(c) $3 \frac{2}{5}+3 \frac{1}{15}$

(d) $4 \frac{3}{20}+2 \frac{3}{20}$

11. What fraction should be filled in the blank circle given in the adjacent figure, so that the sum of fractions on each-side of the triangle is same?

<image to be added>

(a) $\frac{7}{13}$

(b) $\frac{2}{13}$

(c) $\frac{5}{13}$

(d) $\frac{6}{13}$

12. Priya is baking a cake for which she requires $\frac{3}{4}$ cup of sugar and nuts. If she has $\frac{2}{5}$ cup of this mixture, how much more does she need?

(a) $\frac{7}{20}$

(b) $\frac{1}{5}$

(c) $\frac{9}{20}$

(d) $\frac{1}{4}$