Question

what number should be added to 7 upon 12 to get 4 upon 15​

Answer 1

Answer:

let number be x

x+7/12=4/15

x=4/15-7/12

x=(12*4-15*7)/12*15

x=(48-105)/180

=-19/60

Answer 2

Therefore , -51/ 60 should be added to 7/12 to get -4/15