Question

express each of the decimal in form of p/ q
1) 0.6212121....
2) 2.66555...​

Answer 1

1). 0.6212121...

Let 0.6212121... Be x

1000x = 621.2121...

10x = 6.2121...

990x = 615.000...

x = 615/990 = 41/66

2). 2.66555...

Let 2.66555... Be x

100000x = 266555.66555...

x = 2.66555...

9999x = 266553.000...

x = 266553/9999 = 29617/1111