Answer:

1.8/9

2.4/5

3.310.215

4.11/21

5.0.14/26

Answer:

1. 8/9

2. 17/20

3. 310.714

4. 0.34

5.​0.5

​

Step-by-step explanation:

2. LCD = 2020

2 Make the denominators the same as the LCD.

\frac{1\times 5}{4\times 5}+\frac{3\times 4}{5\times 4}

4×5

1×5

​

+  

5×4

3×4

​

3 Simplify. Denominators are now the same.

\frac{5}{20}+\frac{12}{20}

20

5

​

+  

20

12

​

4 Join the denominators.

\frac{5+12}{20}

20

5+12

​

5 Simplify.

\frac{17}{20}

20

17

​