Question

cuanto es
1/4+4/5

1/2+1/5

7/10-1/5

3/4-1/3

5/6-2/9

2/5-1/6

5/6-1/3

9/10-3/4
​

Answer 1

1/4+4/5

1/2+1/5=0.3

7/10-1/5=-0.06

3/4-1/3=-0.08

5/6-2/9=-0.12

2/5-1/6 =-0.1

5/6-1/3=-0.05

9/10-3/4=-0.525

​