9
(21-21)+(21-21)+21 = 0+0+21 = 21
The LCM is 21.
21
21*1 = 21
21-21 = 0
21 = 21
To subtract one-fourth from three-sevenths, you need a common denominator. The least common denominator between 7 and 4 is 28. Converting the fractions, three-sevenths becomes 12/28 and one-fourth becomes 7/28. Subtracting these gives 12/28 - 7/28 = 5/28. Thus, three-sevenths minus one-fourth equals 5/28.
21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.
5/7 - 5/21 = 15/21 - 5/21 = 10/215/7 - 5/21 = 15/21 - 5/21 = 10/215/7 - 5/21 = 15/21 - 5/21 = 10/215/7 - 5/21 = 15/21 - 5/21 = 10/21
21 + 21 = 42.
How she is tall abt his height?
21 x 21 = 441