Answer:
1. 11 1/2 + 7 2/5=
(11 + 7) + ( 1/2+2/5)=18 +1 × 52 × 5+2 × 25 × 2=18 + 510+410= 18 + 5 +410= 18 + 910 = 18 9/10
2. 5 3/4 + 8 2/6=
(5 + 8) + ( 3/4+ 2/6)= 13 +3 × 34 × 3+2 × 2+6 × 2=13+912+412= 13 +9 + 4/12= 13 + 13/12= 13 +11/12 = 14 1/12
3. 1/2+2/5=
1 × 5 +2 × 5/2 × 2/5 × 2= 5/10+4/10= 5 + 4/10= 9/10
Umm hanggang 1-3 lang po ako sorry
Pa brainlyest po tama po lahat yan pa 5 star po at heart thank you po
