Question

How do you evaluate `(\frac { 5} { 12} + \frac { 3} { 8} ) \cdot \frac { 12} { 19}`?

Answer 1

`1/2`

Explanation:

L C M of 12 and 8 is 24
`={((5*2)+(3*3))/24}*(12/19)`

`={(10+9)/24}*(12/19)`

`=(19/24)*(12/19)`
`=1/2`