Answers to Book 2 Problems

1a.    [pmath]1/4[/pmath] X  3   =    [pmath]3/4[/pmath]                                     1g.     [pmath]3/7[/pmath] +   [pmath]2/7[/pmath] =   [pmath]5/7[/pmath]

 

1b.    [pmath]1/6[/pmath] X   [pmath]5/7[/pmath]  =    [pmath]5/42[/pmath]                                    1h.    [pmath]9/10[/pmath]   –    [pmath]5/10[/pmath]  =   [pmath]4/10[/pmath]

 

1c.    [pmath]1/5[/pmath] X   [pmath]2/3[/pmath]  =    [pmath]2/15[/pmath]                                       1i.     [pmath]5/7[/pmath] X   [pmath]2/6[/pmath]  =   [pmath]10/42[/pmath]

 

1d.   [pmath]1/8[/pmath] X   [pmath]2/3[/pmath]  =    [pmath]2/24[/pmath]                                          1j.   [pmath]3/8[/pmath] +   [pmath]7/8[/pmath]  =   [pmath]10/8[/pmath]

 

1e.   [pmath]5/6[/pmath] –   [pmath]2/6[/pmath]  =    [pmath]3/6[/pmath]                                            1k.   [pmath]3/4[/pmath] X  [pmath]3/4[/pmath]  =   [pmath]9/16[/pmath]

 

1f.   [pmath]1/3[/pmath] X   [pmath]1/5[/pmath]  =    [pmath]1/15[/pmath]                                             1l.   [pmath]4/10[/pmath] X   [pmath]10/4[/pmath]  =   [pmath]40/40[/pmath]  =   1

 

2.   [pmath]2/12[/pmath],     [pmath]4/1[/pmath]  x   [pmath]2/12[/pmath]  =   [pmath]8/12[/pmath],     [pmath]12/12[/pmath]  –   [pmath]8/12[/pmath]  =   [pmath]4/12[/pmath]

 

3.    [pmath]4/20[/pmath],     [pmath]5/1[/pmath]  x   [pmath]4/20[/pmath]  =   [pmath]20/20[/pmath]  =   1,     No

 

4.    [pmath]5/16[/pmath]  +   [pmath]3/16[/pmath]  =   [pmath]8/16[/pmath],     [pmath]16/16[/pmath]  –   [pmath]8/16[/pmath]  =   [pmath]8/16[/pmath]

 

5.    [pmath]2/8[/pmath]  +   [pmath]2/1[/pmath]  x   [pmath]2/8[/pmath]     =      [pmath]2/8[/pmath]  +   [pmath]4/8[/pmath]  =   [pmath]6/8[/pmath],     [pmath]8/8[/pmath]  –   [pmath]6/8[/pmath]  =   [pmath]2/8[/pmath]

 

6.     [pmath]2/16[/pmath]  +    [pmath]3/16[/pmath]   +   [pmath]4/16[/pmath]  +   [pmath]6/16[/pmath]  =   [pmath]15/16[/pmath]

Print Friendly, PDF & Email

Extra Problems for More Practice