Question

Q8.Simplify a)7-4/5+7/10​

Answer 1

Answer:

$7 - \frac{4}{5} + \frac{7}{10} \\ = 7 - \frac{4 \times 2}{5 \times 2} + \frac{7}{10} \\ = 7 + \frac{ - 8 + 7}{10} \\ = 7 + \frac{ - 1}{10} \\ = \frac{70 - 1}{10} \\ = \frac{69}{10}$