Question

Convert the following fraction into decimals


please told me the explanation​

Answer 1

Answer:

As the only prime factor of denominator is

2

, in fact there are three twos (

2

×

2

×

2

) we can can convert the fraction

7

8

by multiplying numerator and denominator by

5

×

5

×

5

.

Hence,

7

8

=

7

×

5

×

5

×

5

8

×

5

×

5

×

5

=

875

1000

=

0.875

(This is always possible if only prime factors of denominator are

2

's and

5

's - just multiply by as many

5

's and

2

's).

Answer 2

Answer:

7/8

multiply by 12.5/12.5

7× 12.5/8× 12.5

87.5/100

0.875