Answer:

1/5 + 3/5 = 4/5

Step-by-step explanation:

yan lng masasagot ko po

Answer:

• 1/5 + 3/5 = 4/5
• 5/6 - 3/4 = 1/12
• 20 3/4 - 18 2/3 = 2 1/2

Step-by-step explanation:

• (1+3)/5 =4/5
• 5×2/12 - 3×3/12

10/12 - 9/12 = (10-9)/12

= 1/12

• 20×4+3/4 - 18×3+2/3

83/4 - 56/3

83×3/12 - 56×4/12

249/12 - 224/12

(249-224)/12

25/12

2×12+1/12

= 2 1/12