Question

how would i find the least common denominator 7/12 - 1/9 ?

Answer 1

factorize denominators, 12=2*2*3 9=3*3 common denominator must have all terms, also 2*2*3*3

Answer 2

12 * 1 = 12
12 * 2 = 24
12 * 3 = 36

9 * 1 = 9
9 * 2 = 18
9 * 3 = 27
9 * 4 = 36

Both in 36

For step by step use

http://www.helpwithfractions.com/least-common-denominator.html

Answer 3

36

Answer 4

@mik_wind and osanseviero -> thank you, this definatly helps

Answer 5

@reheen->thank you

Answer 6

yw