Question

1 4/5+ 2 2/3=what

5 7/8 - 3 1/2=what
1 1/2+ 3 1/5=what
7 5/6- 5 1/2=what

Answer 1

Different Ways to Write:

1. 67/15 or 4.46 (6 repeating)

2. 19/8 or 2.375

3. 47/10 or 4.7

4. 7/3 or 2.3 (3 repeating)

Answer 2

1.) 4 7/15

2.) 2 3/8

3.) 4 7/10

4.) 2 1/3

Explanation:

1.) 1 4/5 + 2 2/3

3 + 4/5 + 2/3

LCD = 15

3 + 12/15 + 10/15

3 + (12 + 10)/15

3 + 22/15

3 + 1 7/15

4 7/15

2.) 5 7/8 - 3 1/2

(5 x 8 + 7)/8 - 3 1/2

47/8 - 3 1/2

47/8 - (3 x 2 + 1)/2

47/8 - 7/2

LCD = 8

47/8 - 28/8

19/8

2 3/8

3.) 1 1/2 + 3 1/5

4 + 1/2 + 1/5

LCD = 10

4 + 5/10 + 2/10

4 + (5 + 2)/10

4 7/10

4.) 7 5/6 - 5 1/2

(7 x 6 + 5)/6 - 5 1/2

47/6 - 5 1/2

47/6 - (5 x 2 + 1)/2

47/6 - 11/2

LCD = 6

47/6 - 33/6

(47 - 33)/6

14/6

7/3

2 1/3