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Question

Find the sum
(8/9)+(7/12)


Solution

For addition of two unlike fractions,first change them to the like fractions.
LCM of 9,12=36
Now,let us change each of the given fraction into an equivalent fraction having 36 as the denominator.
$$\dfrac{8}{9}\times \dfrac{4}{4}=\dfrac{32}{36}$$

$$\dfrac{7}{12}\times \dfrac{3}{3}=\dfrac{21}{36}$$
Now.add the like fractions,
$$=\dfrac{32}{36}$$$$+\dfrac{21}{36}$$

$$=\dfrac{32+21}{36}$$

$$=\dfrac{53}{36}$$
$$=[1\dfrac{17}{36}]$$

Mathematics

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