42
first do 42 divided by 7, which equals 6. 1/7 of 42=6
0.1111
It is: 9/16-9/20 = 9/80.
n=9. Because n+42=51. Subtract 42 from both sides and n=9
42
9.4286
38.1818
0.7778
(42/5)/(35/9)=(42/5)x(9/35)=378/175
1.5556
No - 27 can be divided by 3 & 9. 42 can be divided by 2, 3, 6 & 7
378 divided by 9 = 42
0.03
4.6667
42.1111
42.6667