3 - 21 = -18
1/3 of 21 = 71/3 of 21 = 71/3 of 21 = 71/3 of 21 = 7
The Least Common Multiple (LCM) for 3 21 is 21.
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No but 21 is a multiple of 3 because 7*3 = 21
2x-3=10x+21 2x-3-2x=10x+21-2x -3=8x+21 -3-21=8x+21-21 -24=8x -3=x
the lcm of 3 and 7 is 21 and the lcm of 7 and 21 is 21, so the lcm of 3, 7 and 21 is the lcm of 21 and 21 which is 21.
The LCM of 3 and 21 is 21
the answer is 21 3 x 7 = 21
-63 / -3 = 21
Yes it is 1 1/7. 24 = 21 + 3, so take it as (21 + 3)/21 = 21/21 + 3/21. So 21/21 =1 and 3/21 = 1/7.
The factors of 21 are: 1, 3, 7, and 21. The factor pairs of 21 are (1, 21) and (3, 7).`1.3,7.21
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