Question

Find the sum :-

(a) simplify 4/5 ÷ 2/5
(b) find the sum 1/5 + 2/-5
(c) find 2/3 × 6
(d) Write in exponentiel form 15×15​

Answer 1

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Answer 2

Answer:

$a .\: \frac{4}{5} \div \frac{2}{5} = \frac{4}{5} \times \frac{5}{2} = 2$

$b. \: \frac{1}{5} + \frac{2}{ - 5} = \frac{1 - 2}{5} = \frac{ - 1}{5}$

$c. \: \frac{2}{3} \times 6 = 4$

$d. \: 15 \times 15 = {15}^{2} \: or \: \: \: {3}^{2} \times {5}^{2}$