Question

13 upon 8 minus 9 upon 12 ​

Answer 1

Q. 13/8-9/12

Sol:-

=13/8-9/12

Lcm=24

Ans:-21/24=7/8

Answer 2

LCM OF 9 AND 12=24

so, 13/8 -9/12

=(13×3)-(9×2)/24

=39-18/24

=21/24

On reducing 21/24 to its simplest form we have by dividing both numerator and denominator by 3, we have,

7/8............ANSWER