2) 2/45 + (41/45 - 7/9)= 2/45 + (41/45 - 35/45)= 2/45 + 6/45= 8/45
4) 3/16 + (15/16 - 5/8)= 3/16 + (15/16 - 10/16)= 3/16 + 5/16= 8/16= 1/2
2) 2/45 + (41/45 - 7/9)
= 2/45 + (41/45 - 35/45)
= 2/45 + 6/45
= 8/45
4) 3/16 + (15/16 - 5/8)
= 3/16 + (15/16 - 10/16)
= 3/16 + 5/16
= 8/16
= 1/2