Simplify:

$3\frac{1}{15}-3\frac{3}{5}+5\frac{7}{10}$

Simplify:

$9-3\frac{1}{9}-2\frac{5}{6}$

Compare the fractions using symbols $<, >$ or $=$.

$\frac{3}{7}\square \frac{4}{9}$

Compare the fractions using symbols $<, >$ or $=$.

$\frac{{\displaystyle 8}}{{\displaystyle 15}}\square \frac{{\displaystyle 5}}{{\displaystyle 12}}$

Compare the fractions using symbols $<, >$ or $=$.

$\frac{{\displaystyle 6}}{{\displaystyle 11}}\square \frac{{\displaystyle 18}}{{\displaystyle 33}}$

Compare the fractions using symbols $<, >$ or $=$.

$\frac{{\displaystyle 15}}{{\displaystyle 29}}\square \frac{{\displaystyle 4}}{{\displaystyle 13}}$

A piece of string $\frac{11}{12} \mathrm{m}$ long broke into pieces. One piece was $\frac{1}{6} \mathrm{m}$ long. How long is the other piece?

Rani swam $\frac{1}{2} \mathrm{km}$ in the morning and $\frac{8}{10} \mathrm{km}$ in the evening. How far did she swim that day?

Rani swam $\frac{1}{2} \mathrm{km}$ in the morning and $\frac{8}{10} \mathrm{km}$ in the evening.How much more did she swim in the evening?