(21 - (4 x 5))3
Yes, 1*21 and 3*7 equal 21, and 1*34 and 2*17 equal 34.
It is: 1/7
How about: 3*7 = 21 or 1*21 = 21
1 x 3 x 7
11/21 To subtract two fractions, you need to make the denominators (the bottom numbers) equal. 6/7 = 18/21 1/3 = 7/21 18/21 - 7/21 = 11/21
Since 21 is divisible by 3, the least common denominator of 3 and 21 is 21.
1 x 21 3 x 7 7 x 3 21 x 1
fractions which are equal to 21 = 21/1, 42/2, 63/3,...
There are three possibilities:-- 7 equal groups, with 3 in each group-- 3 equal groups, with 7 in each group-- 21 equal groups, with 1 in each group
Yes, 21 can be divided into equal groups. 21 is divisible by 1, 3, 7, and 21. Therefore, you can divide 21 into 1 group of 21, 3 groups of 7, 7 groups of 3, or 21 groups of 1, with each group being equal in size.
Yes, 1*21 and 3*7 equal 21, and 1*34 and 2*17 equal 34.
It is: 1/7
1 out of 3
1 x 21 3 x 7
Yes. It can be divided into -- 21 equal groups of 1 each -- 3 equal groups of 7 each -- 7 equal groups of 3 each
How about: 3*7 = 21 or 1*21 = 21
21+3 or using all the numbers: 21 + (3*(2-1))