Question
Solve:$\frac3{10}+\frac7{15}$
✓
Answer
$\frac3{10}+\frac7{15}=\frac{3\times3}{10\times3}+\;\frac{7\times2}{15\times2}$ $. . . .[L.C.M.(10,15) = 30]$
$=\;\frac9{30}+\;\frac{14}{30}=\frac{9+14}{30}=\frac{23}{30}\;$
$=\;\frac9{30}+\;\frac{14}{30}=\frac{9+14}{30}=\frac{23}{30}\;$
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