Fractions - examples - page 13

  1. Unknown number 23
    cisla_4 Find 2/3 of unknown number, which is two thirds of the 99.
  2. Bar
    tyc Half of the bar is green, the third is yellow and the remaining 40cm is red. How long is a bar?
  3. Cleaning windows
    windows Cleaning company has to wash all the windows of the school. The first day washes one-sixth of the windows of the school, the next day three more windows than the first day and the remaining 18 windows washes on the third day. Calculate how many windows ha
  4. Red balls
    gule_3 In the bag there are 3 red, 12 blue and 8 green balls. How many red balls we must be attached to the bag if we want the probability of pulling out the red balls was 20%?
  5. Product of two fractions
    numbers_47 Product of two fractions is 9 3/5 . If one of the fraction is 9 3/7. Find the other fraction.
  6. UN 1
    bulb2 If we add to an unknown number his quarter, we get 210. Identify unknown number.
  7. Equilateral triangle ABC
    equliateral In the equilateral triangle ABC, K is the center of the AB side, the L point lies on one-third of the BC side near the point C, and the point M lies in the one-third of the side of the AC side closer to the point A. Find what part of the ABC triangle conta
  8. King's birthday
    ohnostroj To celebrate the king's birthday workers fire 1/5 all purchased rockets. To celebrate the Queen's birthday fire 1/6 of the remaining rockets and to celebrate the birthday of king's son remaining 15,000 rockets. How many rockets they purchased?
  9. Boys and girls
    children_16 There are 28 girls in the hall. 5/7 of all children are boys. How many children and how many boys are there?
  10. Study
    time_4 For 7 hours study, she scored a 75 so if she made 93 how many hours would she need to study?
  11. Series and sequences
    seq_sum Find a fraction equivalent to the recurring decimal? 0.435643564356
  12. Right triangle from axes
    axes2 A line segment has its ends on the coordinate axes and forms with them a triangle of area equal to 36 sq. Units . The segment passes through the point ( 5,2). What is the slope of the line segment. ?
  13. Points on line segment
    segment Points P & Q belong to segment AB. If AB=a, AP = 2PQ = 2QB, find the distance: between point A and the midpoint of the segment QB.
  14. Pie
    pie_1 Vili ate three pieces of pie . If it piece is 1/8 how much pie did he eat?
  15. Pie II
    pie_2 Vili ate three pieces of pie. If it pieces is 1/8 how much pie did he eat?
  16. Unknown number
    fractions_6 I think the number - its sixth is 3 smaller than its third.
  17. Pears
    hrusky_4 There were pears in the basket. I took them two fifths and left them in a basket of six. How many pears I took?
  18. Percentages 5
    usd_1 $5.25 is 7 1/2% of what number?
  19. Unit rate
    question_1 Find unit rate: 6,840 customers in 45 days
  20. Percentages
    money_14 What is 1/3 of $821.43?

Do you have an interesting mathematical example that you can't solve it? Enter it, and we can try to solve it.



To this e-mail address, we will reply solution; solved examples are also published here. Please enter e-mail correctly and check whether you don't have a full mailbox.



Need help calculate sum, simplify or multiply fractions? Try our fraction calculator.