I'll get you started with the first two.
1. 1 7/8 + 1/9
1 7/8 is almost 2. 1/9 is almost nothing. Add the two together and you get about 2.
2. 5 2/11 -3 2/18
5 2/11 = 5
3 2/18 = 3
Take 3 from 5 and you get about 2.
I'll be glad to check your answers to the other problems.
I need help with these
1. 1 7/8 + 1/9
2. 5 2/11 -3 2/18
3. 8 2/17 x 1 15/17
4. 2/9 + 4/9
5. -5/6 + 4/18
6. 11 5/9 + 10 1/3
7. -1/5 + (-3/7)
2 answers
7/8- 1/2. estimate