Addition of Hours & Minutes
     a)                                       b)                                      c)                                       d)
hrs. mins.                         hrs. mins.                             hrs. mins.                          hrs. mins
1.    2      20                             3     35                                   2    34                                3     25
    + 1      43                         + 1     38                               +  3   56                              + 2     46
 
 

           a)                                        b)                                      c)                                       d)
     hrs. mins.                              hrs. mins.                          hrs. mins.                           hrs. mins

2.   4     23                                   5     47                               3    37                                4      46
   + 2    58                                + 3     48                            + 4    37                             + 1       52
 
 

          a)                                        b)                                       c)                                        d)
    hrs. mins.                             hrs. mins.                            hrs. mins.                            hrs. mins

3.   3     31                                  6    45                                 4     46                                 2    54
  + 1      57                              + 4    39                              + 3     41                              + 2    31
 
 
 

          a)                                        b)                                       c)                                        d)
      hrs. mins.                           hrs. mins.                           hrs. mins.                             hrs. mins

4.     4     28                               3     35                                2     46                                  2     47
        3     26                               2     14                                2     35                                  1     35
    + 1      43                           + 4      27                            + 3     26                               + 2     37