Question

1.)134(grade)06(min)22(sec)+21(grade)42(min)38(sec)=
2.)164(grade)35(min)35(sec)+100(grade)41(min)40(sec)=
3.)28(grade)38(min)48(sec)+16(grade)26(min)46(sec)=

Answer 1

1)=(134grade+21grade)+(6'+42')+(22''+38'')=155grade48'60''=155grade49'

2)=(164grade+100grade)+(35'+41')+(35''+40'')=264grade75'75''=
=265grade 15minute 75secunde=265grade16'15''

3)=(28grade+16grade)+(38'+26')+(48''+46'')=44grade64'94''=45grade4'94''=
45grade5'34''