LCM, Prime Factorization
and GCF
and GCF
Find the Least Common Multiples of 8 and 12
8- 8, 16, 24, 32, 40, 48, 56...
12- 12, 24, 36, 48,...
Simplify the Fraction:32/48
32/48= 2/3
Divide: 205 divided by 5
205 divided by 5 = 41
Read the following decimal: 465.32
four hundred sixty-five and thirty-two hundredths
Add: 3/5 + 1/3
3/5 + 1/3 = 14/15
Find the Least Common Multiples of 3, 4, and 6
3- 3, 6, 9, 12, 15, 18, 21, 24...
4- 4, 8, 12, 16, 20, 24...
6- 6, 12, 18, 24...
Simplify the Fraction: 60/80
60/80=3/4
Divide and write the remainder as a fraction: 244 divided by 7
244 divided by 7 = 34 and 6/7
Write the following decimal as a fraction: 6.389
6 389/1,000
Subtract: 7/8 - 2/5
7/8 - 2/5 = 19/40
Find the Prime Factorization of 100
5x5x2x2 is the prime factorization of 100
Change the Mixed Number into an Improper Fraction: 5 3/4
5 and 3/4 = 23/4
Divide and write the remainder as a fraction: 157 divided by 6
157 divided by 6 = 26 and 1/6
Subtract the following decimals: 12.1-5.87
12.1-5.87= 6.23
Subtract: 3 6/7 - 2 3/7
3 6/7 - 2 3/7 = 10/7 = 1 3/7
Find the Greatest Common Factor of 20 and 30.
The GCF is 5x2=10
Change the Mixed Number into an Improper Fraction: 7 7/12
7 and 7/12= 91/12
Divide and write the remainder as a fraction: 10,826 divided by 62
10,826 divided by 62 = 174 and 38/62 = 174 19/31
Multiply the following decimals: 4.63x5.2
4.63x5.2= 24.076
Multiply: 4/5 x 3 3/4
4/5 x 3 3/4 = 60/20 = 3
Harold is planting 54 blue flowers and 27 red flowers. He would like to plant the flowers in rows that have all the same number of flowers and made up of only one type of flower. What is the greatest number of flowers Harold can have in each row?
The GCF is 3x3x3=18
Change the Improper Fraction to a Mixed Number: 123/34
123/34= 3 21/34
George owns a cupcake factory and sells 814,830 cupcakes to 865 bakery's each week. How many cupcakes can each bakery buy each week?
814,830 divided by 865 = 942
Divide the following decimals: 1.85 divided by 0.8
1.85 divided by 0.8=2.3125
Divide: 2 5/12 divided by 1 6/8
2 5/12 divided by 1 6/8 = 232/168 = 58/42 = 29/21 = 1 8/21 =