Consider3/10+7/150ex0ex=3× 15/10× 15+7× 10/15× 100ex0ex=45/150+70/1500ex0ex=45+70/1500ex0ex=115/1500ex0ex=23/30Hence,3/10+7/15 is 23/30 ...

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Solving a Quadratic Equation by Factorization Method

Solve:3/10+7/...

Question

Solve:
$\frac{3}{10} + \frac{7}{15}$

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Solution

Consider
$\frac{3}{10} + \frac{7}{15} = \frac{3 \times 15}{10 \times 15} + \frac{7 \times 10}{15 \times 10} = \frac{45}{150} + \frac{70}{150} = \frac{45 + 70}{150} = \frac{115}{150} = \frac{23}{30}$
Hence, $\frac{3}{10} + \frac{7}{15}$ is $\frac{23}{30}$

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