Question

tom had a very challenging fraction multiplycation problem to do, but his sister said it was really easy to do mentally. can you find the answer mentally? Explain how

Answer 1

76/81×80

76=80/81

Explanation:

Answer 2

80/81

Explanation:

`(76)/(81) * \frac {80}{76}=(76* 80)/(81*76)`

Cross cancel the common factor of 76:

`(76* 80)/(81*76)=(80)/(81)`