Question

Do u know any of these? (only circled ones)

Answer 1

11. 1/5 + 1/2
1/5×2=2/10
1/2×5=5/10
=7/10
7. 1/2 + 2/5
2/5×2=4/10
1/2×5=5/10
=9/10

Answer 2

5)
$\frac{1}{4} + \frac{5}{8} = \frac{7}{8}$
7)
$\frac{1}{2} + \frac{2}{5} = \frac{9}{10}$
11)
$\frac{1}{5} + \frac{1}{2} = \frac{7}{10}$
If you can make a fraction smaller (Simplify it) it makes it alot easier and vice versa making a fraction bigger helps. In order to add them together they must be the same fraction values.