Answer :
6/10+7/12
=72/120+70/120
=142/120
=120/120+22/120
=1+22/120
=1+11/60
*Good estimate would be 1+1/6 = 1.17
=72/120+70/120
=142/120
=120/120+22/120
=1+22/120
=1+11/60
*Good estimate would be 1+1/6 = 1.17