Question

Write the p/q form of 1.27(bar on 7)

Answer 1

Answer:

Step-by-step explanation:

X=1.2777777….....

Periodicity is 1

10X=12.77777

X= 1.2777777

9X=11.5

X=115/90

Answer 2

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$\underline{\large\mathcal\red{solution}}$

1.27777.....

=1+0.27777....

let ,X=0.277777.....

10x=2+0.77777.....

10x=2+0.27777.....+0.5

10x=2.5+X

9x=2.5

X=2.5/9

X=0.2777....=25/90

now...

1.27777....

=1+0.27777...

=1+25/90

=115/90

$\large\mathcal\red{hope\: this \: helps \:you......}$