7/16 + 1/4 =? 5/7 - 11/21 =? 15/16 - 3/32=? 3/50 + 18/25=?

Question

7/16 + 1/4 =?
5/7 - 11/21 =?
15/16 - 3/32=?
3/50 + 18/25=?

Answer 1

7/16+1/4= берем общий знаменатель 16 = 7/16+ 4/16=11/16

15/16 - 3/32= 30/32-3/32=27/32

3/50+18/25= 3/50-36/50=33/50