Question

6/11 + 2/13=

Answer 1

convert to common denominators then add. 6/11 would become 78/143 and 2/13 becomes 22/143. add then reduce(if possible)

Answer 2

11*13=143

6/11=(6*13)/143=78/143

2/13=(2*11)/143=22/143

6/11+2/13=(78/143)+(22/143)=100/143