tom had a very challenging fraction multiplycation problem to do, but his sister said it was really easy to do mentally. can you

Question

2 years ago

13

find the answer mentally? Explain how

2 answers:

Zarrin [17] · Answer 1 · 2022-09-25T09:02:32+03:00

8 0

Answer:

80/81

Step-by-step explanation:

$\dfrac{76}{81} \times \dfrac {80}{76}=\dfrac{76\times 80}{81\times76}$

Cross cancel the common factor of 76:

$\dfrac{76\times 80}{81\times76}=\dfrac{80}{81}$

krok68 [10] · Answer 2 · 2022-09-25T07:21:40+03:00

6 0

Answer:

76/81×80

76=80/81

Step-by-step explanation: