Question

How do you evaluate `\frac{1}{3}+\frac{3}{7}-\frac{1}{9}`?

Answer 1

`23/63`

Explanation:

`1/3+3/7−1/9`

`= (1xx21)/(3xx21)+(3xx3)/(7xx3)-(1xx7)/(9xx7)`

[Since Lowest Common Multiple=63]

`= 21/63+9/63-7/63`

`=23/63`

~Hope this helps! :)