msth 115
posted by p on .
help multiply and use simplest form 4 1/5*10/21*9/20

21/5 *10/21 *9*20
The twentyones divide out.
The 10/20 reduces to 1/2, leaving,
1/5*9/2 which is 9/10
check me.
posted by p on .
help multiply and use simplest form 4 1/5*10/21*9/20
21/5 *10/21 *9*20
The twentyones divide out.
The 10/20 reduces to 1/2, leaving,
1/5*9/2 which is 9/10
check me.