Can someone tell me what I did wrong.

Answer:
when adding fractions make sure the bottom number is the same
so for number 2 make sure both are 4 on the bottom of the fraction by multiplying by 2 maybe 1/4+2/4 that would equal 3/4 not 1
Answer:
Step-by-step explanation:
1/2+1/4=0.75 less than 1
3/6+2/3=1.17 greater than 1
2/4+1/3=10/12 less than 1
mark brainliest thx