thanks. :]
2007-12-19 18:33:48 · 6 answers · asked by kkasssidy 1 in Education & Reference ➔ Homework Help
the lcm is 3.
3x3=9
3x7=21
2007-12-19 18:58:31 · answer #1 · answered by scatteredjewels 2 · 0⤊ 0⤋
Elizabeth has it right. The other guys are confusing GCF with LCM.
You want to know what is the LEAST number that both 9 and 21 share.
21 goes into 21 but does 9? no. 21 goes into 42, but does 9? no...21 goes into 63, but does 9? yes!
2007-12-20 02:43:05 · answer #2 · answered by Carina 2 · 0⤊ 0⤋
3?
2007-12-20 02:36:40 · answer #3 · answered by miguel p 1 · 0⤊ 0⤋
9 = 1,3,9
21=1,3,7,21
lcm 3
2007-12-20 02:38:38 · answer #4 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
the answer is 63.
2007-12-20 02:37:55 · answer #5 · answered by Elizabeth N 1 · 1⤊ 0⤋
itz 63.........
2007-12-20 02:43:14 · answer #6 · answered by $@t#!$# 1 · 0⤊ 0⤋