Question

Express 1.57(bar on 7)as a vulgar fraction in simplest form

Answer 1

Answer:

x = 1.577777...

10x = 15.7777...

100x = 157.7777..

100x - 10x = 157.777.. - 15.7... = 142

90x = 142

x = 142/90 (next you know what to do)

Answer 2

Answer:

71/45

Step-by-step explanation:

x= 15.777

Periodicity= 1

eq'²-eq'¹

10 x= 15.777

-x = 1.5777

9x= 14.2 = 142/90÷ 2 = 71/45

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