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What is three-sevenths plus two-thirds?
Find a common denominator. 21 is common. Multiply the fractions to achieve a common denominator of 21. 3/7 + 2/3 = 9/21 + 14/21 = 23/21
What do you multiply to get 21?
1 and 21 3 and 7
What can you multiply to get 21?
You can do 7 times 3 and that will equal 21
What numbers can you multiply to get the number 21?
How about: 3*7 = 21 or 1*21 = 21
What numbers do you multiply to get 21?
1, 3, 7, 21: 1 x 21, 3 x 7
What is three-sevenths plus two-thirds?
Find a common denominator. 21 is common. Multiply the fractions to achieve a common denominator of 21. 3/7 + 2/3 = 9/21 + 14/21 = 23/21
What is the highest common multiply of 21 14 and 49?
7
How do you find the LCM of 10 and 21?
Factor them. 2 x 5 = 10 3 x 7 = 21 No factors in common. Multiply them. 2 x 3 x 5 x 7 = 210
What are the common factors of 21 and 28?
the greatest common factor is 7, because 21 divided by 7 is 3, 28 divided by 7 is 4 and 56 divided by 7 is 8.
How do you find the least common multiple of 4 and 7?
Multiply them together.
How do you find the least common multiple of 6 and 7?
Multiply them together.
How do you find least common multiple of 7 and 8?
Multiply them together.
How do you find the least common multiple of 10 and 7?
Multiply them together.
How do you find the least common multiple of 7 and 11?
Multiply them together.
How do you find the common multiples of 7 and 11?
Multiply them together. Multiply that total by successive counting numbers.
How did you find the least common multiple of 7 and 9?
Multiply them together.
How many groups of 7 equals 21?
To find out how many groups of 7 equals 21, you can divide 21 by 7. The result is 3, which means there are 3 groups of 7 in 21. This is because when you multiply 7 by 3, you get 21. So, there are 3 groups of 7 that equal 21.
