Answer :
Question 1:
1/4 + 1/2
= 1/4 + 2/4
= 3/4
Question 2:
7/10 - 3/5
= 7/10 - 6/10
= 1/10
Question 3:
1/2 - 2/6
= 3/6 - 2/6
= 3-2/6
= 1/6
1/4 + 1/2
= 1/4 + 2/4
= 3/4
Question 2:
7/10 - 3/5
= 7/10 - 6/10
= 1/10
Question 3:
1/2 - 2/6
= 3/6 - 2/6
= 3-2/6
= 1/6