1. 3 2/5
2. 4 3/7
3. 5 1/3
4. 4 1/8
5. 6 3/5
Answer:
1. 4 - 3/5
4/1 - 3/5
find LCD = 5
4(5)/1(5) -3/5
20/5 -3/5
= 17/5
2. 5 - 4/7
5/1 - 4/7
LCD = 7
5(7)/1(7) - 4/7
35/7 - 4/7
= 31/7
3. 6 - 2/3
6/1 - 2/3
LCD = 3
6(3)/1(3) - 2/3
18/3 - 2/3
= 16/3
4. 5 -7/8
5/1 -7/8
LCD = 8
5(8)/1(8) - 7/8
40/8 -7/8
= 33/8
5. 7 -2/5
7/1 - 2/5
LCD = 5
7(5)/1(5) - 2/5
35/5 - 2/5
=33/5
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Answers & Comments
1. 3 2/5
2. 4 3/7
3. 5 1/3
4. 4 1/8
5. 6 3/5
Answer:
1. 4 - 3/5
4/1 - 3/5
find LCD = 5
4(5)/1(5) -3/5
20/5 -3/5
= 17/5
2. 5 - 4/7
5/1 - 4/7
LCD = 7
5(7)/1(7) - 4/7
35/7 - 4/7
= 31/7
3. 6 - 2/3
6/1 - 2/3
LCD = 3
6(3)/1(3) - 2/3
18/3 - 2/3
= 16/3
4. 5 -7/8
5/1 -7/8
LCD = 8
5(8)/1(8) - 7/8
40/8 -7/8
= 33/8
5. 7 -2/5
7/1 - 2/5
LCD = 5
7(5)/1(5) - 2/5
35/5 - 2/5
=33/5