Question

Write 81.42 as a mixed number

Answer 1

`81.42 =81 (42)/(100)=81(21* 2)/(50* 2) = \boxed{\bf{81(21)/(50)}}`

Answer 2

81.42
= 81+ 0.42
= 81+ 42/100
= 81+ (42/2) / (100/2)
= 81+ 21/50
= 81 21/50

The final answer is 81 21/50~