Question

6 by 15 and minus 7 by 25 add the rational number​

Answer 1

$adding \: \: \frac{6}{15} \: \: and \: \: \frac{7}{25} \\ \\ = \frac{6}{15} + \frac{7}{25} \\ \\ = \frac{6 \times 10}{15 \times 10} + \frac{7 \times 6}{25 \times 6} \\ \\ = \frac{60}{150} + \frac{42}{150} \\ \\ = \frac{60 + 42}{150} \\ \\ = \frac{102}{150} \\ \\ = \frac{51 \times 2}{75 \times 2} \\ \\ = \frac{51}{75}$
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