Least common multiple (LCM) - math word problems

Number of problems found: 112

  • Decompose
    cinema_5 Decompose into primes and find the smallest common multiple n of (16,20) and the largest common divisor D of the pair of numbers (140,100)
  • LCM
    calc_icon What is the least common multiple of 5, 50, 14?
  • Lcm simple
    lcm_gears Find least common multiple of this two numbers: 140 175.
  • LCM
    numbers_11 Common multiple of three numbers is 3276. One number is in this number 63 times, second 7 times, third 9 times. What are the numbers?
  • Pyramid Z8–I–6
    pyramida_mo Each brick of pyramid contains one number. Whenever possible, the number in each brick is lowest common multiple of two numbers of bricks lying directly above it. That number may be in the lowest brick? Determine all possibilities.
  • LCD 2
    zlomky_6 The least common denominator of 2/5, 1/2, and 3/4
  • LCM of two number
    numbers2_19 Find the smallest multiple of 63 and 147
  • What is 3
    fractions_13 What is the least common denominator of 11/15 and 12/19?
  • Apples 2
    jableka How many minimum apples are in the cart, if possible is completely divided into packages of 6, 14 and 21 apples?
  • The smallest number
    numbers_49 What is the smallest number that can be divided by both 5 and 7
  • Plum
    plumbs_1 On the platter are plum. How many were there if its have to be able to share equally among 8,10 and 12 children?
  • Buses 4
    bus4 intervals: 1st bus 40 min. 2nd bus 2h 3rd bud 20min How long take them to meet - as soon as possible?
  • Lcm of three numbers
    prime What is the Lcm of 120 15 and 5
  • Plums
    svestka In the bowl are plums. How many would be there if we can divide it equally among 8, 10 and 11 children?
  • Fractions
    cmp_fractions Sort fractions ? by its size. Result write as three serial numbers 1,2,3.
  • Lcm 2
    lcm Create the smallest possible number that is divisible by numbers 5,8,9,4,3
  • Biketrial
    cyklo Kamil was biketrial. Before hill he set the forward gear with 42 teeth and the back with 35 teeth. After how many exercises (rotation) of the front wheel both wheels reach the same position?
  • Nuts
    nuts How many we must have at least nuts if we can equally divide it to 10 children, 12 children or 15 children and any nut left?
  • Runners circle
    runners Pepa circles the track in 36 seconds. Kamil in 42 seconds. They started together. How many seconds will meet again at the start?
  • Counting number
    numbers2_49 What is the smallest counting number divisible by 2,5,7,8 and 15?

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