Question

At the amusement park, Erin waited in line 15 2/4 minutes for the roller coaster and 28 1/4 minutes for the Ferris wheel. How long did she wait in line in total

Answer 1

42 minutes and 45 secs

Answer 2

43
`(3)/(4)` minutes or 43 minutes 45 seconds

Explanation:

15
`(2)/(4)` + 28
`(1)/(4)`

(15 + 28) + (
`(2)/(4)` +
`(1)/(4)`)

43 +
`(3)/(4)`

43
`(3)/(4)`