Answer:
1. 8/5
2. 9/14
3. 1
4. 13/8
5. 41/36
6. 7/6
7. 15/16
8. 17/14
9. 6 4/13
10. 1
11. 27/10
12. 2 1/3
Step-by-step explanation:
1.
- [tex]4/5 + 12/15[/tex]
- [tex]4/5 + 4/5[/tex]
- [tex]8/5[/tex]
2.
- [tex]5/14 + 2/7[/tex]
- [tex]5/14 + 4/14[/tex]
- [tex]9/14[/tex]
3.
- [tex]6/9 + 1/3[/tex]
- [tex]2/3 + 1/3[/tex]
- [tex]3/3[/tex]
- [tex]1[/tex]
4.
- [tex]3/4 + 7/8[/tex]
- [tex]6/8 + 7/8[/tex]
- [tex]13/8[/tex]
5.
- [tex]13/18 + 5/12[/tex]
- [tex]26/36 + 15/36[/tex]
- [tex]41/36[/tex]
6.
- [tex]2/4 + 4/6[/tex]
- [tex]6/12 + 8/12[/tex]
- [tex]14/12[/tex]
- [tex]7/6[/tex]
7.
- [tex]3/8 + 9/16[/tex]
- [tex]6/16 + 9/16[/tex]
- [tex]15/16[/tex]
8.
- [tex]5/7 + 1/2[/tex]
- [tex]10/14 + 7/14[/tex]
- [tex]17/14[/tex]
9.
- [tex]7\frac{1}{3} - \frac{40}{39}[/tex]
- [tex]22/3 - 40/39[/tex]
- [tex]286/39-40/39[/tex]
- [tex]246/39[/tex]
- [tex]6\frac{4}{13}[/tex]
10.
- [tex]9/4 - 20/16[/tex]
- [tex]9/4 - 5/4[/tex]
- [tex]4/4[/tex]
- [tex]1[/tex]
11.
- [tex]7/2 - 4/5[/tex]
- [tex]35/10 - 8/10[/tex]
- [tex]27/10[/tex]
12.
- [tex]3\frac{1}{6} - \frac{15}{18}[/tex]
- [tex]19/6 - 15/18[/tex]
- [tex]57/18 - 15/18[/tex]
- [tex]42/18[/tex]
- [tex]21/9[/tex]
Have a lovely rest of your day/night, and good luck with your assignments! ♡