5/7, 1/3 are unlike fractions because their denominators are different. nbsp; The LCM of the denominators of the given fractions i.e. the L.C.M. of 7 and 3 i ...

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Standard IX

Mathematics

Multiplication of Unlike Fractions

Solve:5/7+1/3...

Question

Solve: $\frac{5}{7} + \frac{1}{3}$ .

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Solution

$\frac{5}{7}$ , $\frac{1}{3}$ are unlike fractions because their denominators are different.

The LCM of the denominators of the given fractions i.e. the L.C.M. of 7 and 3 is 21.

$∴ \frac{5}{7} + \frac{1}{3} = \frac{5 \times 3 + 7 \times 1}{21} = \frac{15 + 7}{21} = \frac{22}{21} = 1 \frac{1}{21}$

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Similar questions

Solve: $\frac{5}{7} + \frac{1}{3}$

Solve using appropriate proper properties
$\frac{2}{5} \times \frac{- 3}{7} - \frac{1}{14} - \frac{3}{7} \times \frac{3}{5}$

Solve using appropriate proper properties.

$\frac{2}{5} \times \frac{- 3}{7} - \frac{1}{14} - \frac{3}{7} \times \frac{3}{5}$

Solve using appropriate proper properties [3 MARKS]

$\frac{2}{5} \times \frac{- 3}{7} - \frac{1}{14} - \frac{3}{7} \times \frac{3}{5}$

Q. Solve the following expression:

\frac{3}{5}

× -

\frac{1}{2}

\frac{3}{7}

\frac{1}{14}

\frac{3}{5}

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Solve:57+13.

57, 13 are unlike fractions because their denominators are different. The LCM of the denominators of the given fractions i.e. the L.C.M. of 7 and 3 is 21. ∴ 57+13=5×3+7×121=15+721=2221=1121

Solve: $\frac{5}{7} + \frac{1}{3}$ .