Question

5/11 + 9/12=

Answer 1

5 / 11 + 9 / 12 =

( 5 * 12 + 9 * 11 ) / ( 11 * 12 )=

( 60 + 99 ) / 132 =

159 / 132 =

( 3 * 53 ) / ( 3 * 44 ) =

53 / 44 =

( 44 + 9 ) / 44 =

1 9 / 44 =