Respuesta :

2/3=3/2 and 23/30=30/23.
apologiabiology
reciprocal of a number a/b is b/a

b/a times 2/3=23/30
times bot sides by 3/2
b/a=69/60
b/a=23/10

the number is a/b

23/10=b/a
10/23=a/b
the number is 10/23

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