Question

please please please solving in details

Answer 1

3/4×5/5 = 15/20 and 2/5×4/4= 8/20

now denominators are same

so 15/20×10/10 = 150/200 and 8/20×10/10= 80/200

so 5 rational no between 3/4 and 2/5 are

81/00, 82/200. 83/200, 84/100, 85/100, 86/100, 87/100, 88/100, 89/100 and 90/100