Question

Express 0.7 + 0.47 ( bar on 47) in form of p/q.

Answer 1

Let x=0.6

Multiple by 10

10x=6

X=6/10

Let x=0.7bar

10x=7.7

10x-x=7.7-0.7

9x=7

X=7/9

Let x=0.47bar

Multiple by 10

10x=4.7

Multiple by

100x=47.7

100x-10x=47.7-4.7

90x=43

Add both side

6/10+7/9+43/90

L.C.M=90

54+70+43/90

167/90

This is a answer

Step-by-step explanation:

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