Question

Askok and sumit ran a 100 m race. Askok took 18 1/5 seconds and sumit took 21 3/4 seconds. How much longer did sumit take?

Answer 1

Answer:

3 4/5 sec

Step-by-step explanation:

21 3/4 - 18 1/5

87/4 - 91/5

(435-364)/20

76/20

=3 4/5 sec longer

Answer 2

Step-by-step explanation:

distance of Ashok =18 1/5 or 91/5

distance of sumit=21 3/4 or 87/4

difference =87/4-91/5

take the lcm=20

so, 435-364

20

71/20 or 3 11/20

11

sumit took 3 20 seconds more