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Operations on Fractions

Question

Fill in the blanks.
$$7 \dfrac{2}{5} + ........ = 12$$

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Solution

Verified by Toppr

$$7 \dfrac{2}{5} +x= 12$$
$$x=12-\dfrac{37}{5}$$
$$x=\dfrac{60-37}{5}$$
$$x=\dfrac{23}{5}=4\dfrac{4}{5}$$
$$\therefore7 \dfrac{2}{5} + 4\dfrac{3}{5} = 12$$

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