A. Perform the indicated operations. Express the answer in its lowest terms. ADDITION
1.3/4 +6/8
2.3/9 + 6/9
3. 4/16 + 2 1/16
4. 1 7/10 +2 2/5
5. 3 2/7 + 4 3/4
SUBTRACTION
6. 5/11 - 3/11
7. 12/21 - 7/21
8. 5/6- 2/3
9. 4 1/2 - 1 3/4
10.4 1/4 - 2 3/8

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.