Question

What’s 14/20 - 81/90

Answer 1

Answer: -1/5

Explanation:

14/20 - 81/90=

7/10-9/10= ==> 10 is the GCF of 20 and 90

(7-9)/10=

-2/10=-1/5

Answer 2

`\huge\text{Hey there!}`

`\mathsf{(14)/(20) - (81)/(90)}`

`\mathsf{= (14/2)/(20/2) - (81/ 9)/(90/9)}`

`\mathsf{= (7)/(10) - (9)/(10)}`

`\mathsf{= (7 - 9)/(10 - 0)}`

`\mathsf{= (-2)/(10)}`

`\mathsf{= (-2/ 2)/(10/2)}`

`\mathsf{= (-1)/(5)}`

`\huge\text{Therefore, your answer should be:}`

`\huge\boxed{\mathsf{-(1)/(5)}}\huge\checkmark`

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