Question

{50+3{1/4+2/3+3/4+1/2}+4}+(10+2)

Answer 1

{50+3{1/4+2/3+3/4+1/2}+4}+(10+2)

{50+3{1/4+3/4+2/4+2/3}+4}+(12)

{50+3{8/4+2/3}+4}+(12)

{50+3{2+2/3}+4}+(12)

{50+6+2+4}+(12)

{62}+(12)

62+12

74