Question

9 upon 20 + 13 upon 15+ 27 upon 30 add

Answer 1

1/4620 is the correct answer

Answer 2

9 upon 20 + 13 upon 15+ 27 upon 30 add

9 / 20 + 13 / 15+ 27 / 30

LCM is 60,

9 / 20 * 3 / 3 + 13 / 15 * 4/4 + 27 / 30 * 2/2

Hence, 27 / 60 + 52 / 60 + 54 / 60

= 133 / 60