Simple fraction math - 10 points?

1) 5 friends share 2/9 of a pizza. How much does each friend get?

2) 6 boys take part in a relay event. Each boy runs 3/4 of a mile. How far do the boys run altogether?

3) Nikki spends 1/2 of an hour driving to work everyday and 1/4 of an hour driving home. She works all week except Sunday. How long does she spend travelling each week?

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  • 8 years ago
    Favourite answer

    1. If 5 friends share 2/9 then you need a fifth of 2/9 so 2/9 divided by 5=2/45

    2. Six boys run the same distance, so times the distance by six 6x3/4=4 and a half

    3. it takes her 1/4 of an hour to home from work, 1/2 of an hour to get there so she spends 3/4 driving each day, and she doesn't work on Sundays so she works a 6 day week. 3/4 x 6=4 and a half

  • 8 years ago

    1). Since we are breaking up 2/9 into 5 pieces for each person, we divide by 5. To divide fractions, flip the second fraction and multiply.

    2/9 divided by 5/1

    (2/9)(1/5) = 2/45

    2). For this problem we will multiply (6)(3/4) We write 6 as 6/1 so it is a fraction. (6/1)(3/4) = 18/4 which reduces to 9/2 or 4 1/2 miles.

    3).Each day she spends 1/2 + 1/4 hours in the car. Find a common denominaotor 2/4 + 1/4 = 3/4 hour per day. She works 6 days a week so we multiply this by 6. (6/1)(3/4) and this becomes the same problem as number 2.

  • 8 years ago

    I'm 14 and I'm answering this.... Just know that :p 2/9 times 5 (the number of people that you have) and you get 10/45. That part just enables easy division. Then divide the numerator only by 5 giving you 2/45. You need this formula in case you get another question so revise it!!!!!!!! For your sake... 2) there are 3960 foot in 3/4 of a mile so times this by 6 and you get 23760 ft, which is 4.5 miles. Finalllllllyyyyy 3) half hour is 30 mins and quarter of hour is 15. 30 add 15 is 45 so 45 times 6 is 270. There your answer 270 mins work out the hours ur self I am seriously tired now :) ease answer mine if you can!!! Don't worry it's not maths or anything got to do with work ;).

  • 8 years ago

    1) Each share 1/5 of 2/9 which is 1/5 x 2/9 = 2/45 of a pizza.

    2) That is 6 times 3/4 = 6 x 3/4 = 18/ 4 = 4 1/2 miles

    3) Total round trip = 1/2 + 1/4 = 3/4 hrs per day.

    .... Total per week: 6 x 3/4 = 18/ 4 = 4 1/2 hours per week.

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  • 5 years ago

    For #1 Multiply 2 and 5 via three so that they have got a usual denominator with 1 and three when it is timed via 5 so 2/5 could be 6/15 (X by using three for every) and 1/3 could be 5/15 which you'd add with 6/15 so it will be 11/15. The others are very an identical.

  • Anonymous
    8 years ago

    1) assuming you mean that that they have 2/9 of a hole pizza between them, they each have 1/5x2/9= 2/45 each

    2) 6x3/4=18/4=4 1/2=4.5miles

    3) one day=1/2+1/4=3/4 of an hour

    6 days=6x3/4=18/4=4 1/2=4.5 hours

  • 8 years ago

    1- i have no clue, sorry

    2- 5 and a half miles

    3- 5 hours

  • Matt
    Lv 6
    8 years ago

    1) you dont do it as 5 doesnt go into 9, maybe try 10

    2) not sure

    3) i think its 108

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