Question

fast answer by number​

Answer 1

Answer:

I) 2/5*21/4

21/10

2.1

II) 11/5 / 6/5

11/5*5/6

11/6

Explanation:

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Answer 2

Answer:

i)2.1 ii) 11/6

explanation:

i)here , 2/5×5*1/4

or 2/5x(20+1)/4

or 2/5x 21/4

or 1/5×21/2

or 21/10 =2.1 is required answer.

ii) here, (2*1/5)/÷1*1/5)

or (11/5)÷(6/5)

or (11/5)×(5/6)

or 11/6 =1.8333.... is required answer.