Question

$\sqrt{ \frac{4}{25 } } + 3 \times \sqrt{ \frac{1}{9 \: } } \: \: \:$
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Answer 1

$\sqrt{ \frac{4}{25} }+3 \times \sqrt{ \frac{1}{9} } = \frac{2}{5} +3 \times\frac{1}{3} = \frac{2}{5} + \frac{3}{3} =\frac{2}{5} +1= \frac{2}{5} + \frac{5}{5} = \frac{2+5}{5} = \frac{7}{5}$