1/2+3/8 ; 1/4+5/12 ; 2/5+3/10 ; 1/2+2/5 ; 1/3+1/4

Question

1/2+3/8 ; 1/4+5/12 ; 2/5+3/10 ; 1/2+2/5 ; 1/3+1/4

Answer 1

1/2 + 3/8 = 2/8 + 3/8 = 5/8
1/4 + 5/12 = 3/12 + 5/12 = 8/12 = 2/3
2/5 + 3/10 = 4/10 + 3/10 = 7/10
1/2 + 2/5 = 5/10 + 4/10 = 9/10
1/3 + 1/4 = 4/12 + 3/14 = 7/12