Least common multiple (LCM) - 6th grade (11y) - math problems
Number of problems found: 78
What is the least common multiple of 5, 50, 14?
- Lcm simple
Find least common multiple of this two numbers: 140 175.
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)
- LCD 2
The least common denominator of 2/5, 1/2, and 3/4
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?
- LCM of two number
Find the smallest multiple of 63 and 147
- Dining tables
In the dining room are tables with 4 chairs, 6 chairs, 8 chairs. How many diners must be at least to be occupy all tables (chairs) and diners are more than 50?
Headteacher think whether the distribution of pupils in race in groups of 4,5,6,9 or 10. How many pupils must have at least school at possible options?
- Lcm of three numbers
What is the Lcm of 120 15 and 5
George poured out of the box matches and composing them triangles and no match was left. Then he tries squares, hexagons and octagons and no match was left. How many matches must be at least in the box?
- The smallest number
What is the smallest number that can be divided by both 5 and 7
- Apples 2
How many minimum apples are in the cart, if possible is completely divided into packages of 6, 14 and 21 apples?
Sort fractions ? by its size. Result write as three serial numbers 1,2,3.
- Lcm 2
Create the smallest possible number that is divisible by numbers 5,8,9,4,3
- Dance ensemble
The dance ensemble took the stage in pairs. During dancing, the dancers gradually formed groups of four, six and nine. How many dancers have an ensemble?
- Counting number
What is the smallest counting number divisible by 2,5,7,8 and 15?
- Cents no more
Janko bought pencils for 35 cents each. Neither he nor the salesperson had small coins just a whole € 1 coin. At least how many pencils had to buy to pay for the whole euros?
What is the smallest length of flowerbeds we have to prepare to plant seedlings at grid 20,30,25,40 cm?
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?
In the bowl are plums. How many would be there if we can divide it equally among 8, 10 and 11 children?
Do you want to calculate least common multiple two or more numbers? Least common multiple (LCM) - math word problems. Examples for 6th grade (the sixth graders).