Question

1/4 + 3/5
9/11 - 2/5
13/16 - 9/32
3/28 + 5/14
14/15 - 7/10
3/8 + 1/6

Answer 1

1/4+3/5=5/20+12/20=17/20
9/11-2/5=45/55-22/55=23/55
13/16-9/32=26/32-9/32=15/32. и т.д