Reciprocal of mixed number

Find the reciprocal of 1 2/5.

Correct answer:

b =  5/7

Step-by-step explanation:

a=152=1+52=51 5+2=55+2=57=152=1.4  b = 1/a b = 1 : 57  b=1/a=1/57=1:57=1 75=71 5=750.7143   Verifying Solution:   x=a b=57 75=5 77 5=3535=1



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