Question

difference between 3 by 7 and 7 by 9​

Answer 1

Answers

3 /7 - 7 /9

we have to take LCM of 7 n 9 = 63

(3 *21)- (7 * 9)/ 63

63-63/63

0/63

Answer 2

Answer:

Difference=3/7-7/9Cross multiply the numerators and denominators in numerator place